id
int64
1
14M
domain
stringclasses
6 values
topic
stringclasses
23 values
subtopic
stringclasses
37 values
difficulty
int64
1
8
unit_type
stringclasses
3 values
title
stringlengths
14
86
content
stringlengths
203
553
key_equations
stringclasses
23 values
prerequisites
stringclasses
29 values
learning_objective
stringclasses
37 values
2,301
physics
electromagnetism
coulomb_law
5
worked_example
Coulomb force between charges -2.1165e-04 C and 5.5271e-05 C separated by 0.5361 m
Two point charges q1 = -2.1165e-04 C and q2 = 5.5271e-05 C are separated by distance r = 0.5361 m in vacuum. The magnitude of the electrostatic force is F = k |q1 q2| / r² = 365.8 N, where k = 8.9875517923 × 10⁹ N·m²/C². The force is repulsive if the charges have the same sign and attractive if opposite.
F = k |q1 q2| / r^2; k = 1/(4 π ε_0)
newton_second_law
Compute the Coulomb force between two point charges.
2,302
physics
electromagnetism
coulomb_law
5
worked_example
Coulomb force between charges -5.3471e-05 C and 3.9935e-04 C separated by 0.6097 m
Two point charges q1 = -5.3471e-05 C and q2 = 3.9935e-04 C are separated by distance r = 0.6097 m in vacuum. The magnitude of the electrostatic force is F = k |q1 q2| / r² = 516.2 N, where k = 8.9875517923 × 10⁹ N·m²/C². The force is repulsive if the charges have the same sign and attractive if opposite.
F = k |q1 q2| / r^2; k = 1/(4 π ε_0)
newton_second_law
Compute the Coulomb force between two point charges.
2,303
physics
electromagnetism
coulomb_law
5
worked_example
Coulomb force between charges -3.8042e-04 C and 4.7511e-04 C separated by 0.2988 m
Two point charges q1 = -3.8042e-04 C and q2 = 4.7511e-04 C are separated by distance r = 0.2988 m in vacuum. The magnitude of the electrostatic force is F = k |q1 q2| / r² = 1.8189e+04 N, where k = 8.9875517923 × 10⁹ N·m²/C². The force is repulsive if the charges have the same sign and attractive if opposite.
F = k |q1 q2| / r^2; k = 1/(4 π ε_0)
newton_second_law
Compute the Coulomb force between two point charges.
2,304
physics
electromagnetism
coulomb_law
5
worked_example
Coulomb force between charges 1.2851e-05 C and 3.8262e-04 C separated by 0.6382 m
Two point charges q1 = 1.2851e-05 C and q2 = 3.8262e-04 C are separated by distance r = 0.6382 m in vacuum. The magnitude of the electrostatic force is F = k |q1 q2| / r² = 108.5 N, where k = 8.9875517923 × 10⁹ N·m²/C². The force is repulsive if the charges have the same sign and attractive if opposite.
F = k |q1 q2| / r^2; k = 1/(4 π ε_0)
newton_second_law
Compute the Coulomb force between two point charges.
2,305
physics
electromagnetism
coulomb_law
5
worked_example
Coulomb force between charges -9.8267e-05 C and 9.5623e-04 C separated by 0.8693 m
Two point charges q1 = -9.8267e-05 C and q2 = 9.5623e-04 C are separated by distance r = 0.8693 m in vacuum. The magnitude of the electrostatic force is F = k |q1 q2| / r² = 1118 N, where k = 8.9875517923 × 10⁹ N·m²/C². The force is repulsive if the charges have the same sign and attractive if opposite.
F = k |q1 q2| / r^2; k = 1/(4 π ε_0)
newton_second_law
Compute the Coulomb force between two point charges.
2,306
physics
electromagnetism
coulomb_law
5
worked_example
Coulomb force between charges 3.3563e-04 C and 8.0251e-04 C separated by 0.5181 m
Two point charges q1 = 3.3563e-04 C and q2 = 8.0251e-04 C are separated by distance r = 0.5181 m in vacuum. The magnitude of the electrostatic force is F = k |q1 q2| / r² = 9017 N, where k = 8.9875517923 × 10⁹ N·m²/C². The force is repulsive if the charges have the same sign and attractive if opposite.
F = k |q1 q2| / r^2; k = 1/(4 π ε_0)
newton_second_law
Compute the Coulomb force between two point charges.
2,307
physics
electromagnetism
coulomb_law
5
worked_example
Coulomb force between charges 4.6165e-04 C and -7.3458e-04 C separated by 1.182 m
Two point charges q1 = 4.6165e-04 C and q2 = -7.3458e-04 C are separated by distance r = 1.182 m in vacuum. The magnitude of the electrostatic force is F = k |q1 q2| / r² = 2183 N, where k = 8.9875517923 × 10⁹ N·m²/C². The force is repulsive if the charges have the same sign and attractive if opposite.
F = k |q1 q2| / r^2; k = 1/(4 π ε_0)
newton_second_law
Compute the Coulomb force between two point charges.
2,308
physics
electromagnetism
coulomb_law
5
worked_example
Coulomb force between charges -5.2043e-04 C and -3.1396e-04 C separated by 0.03105 m
Two point charges q1 = -5.2043e-04 C and q2 = -3.1396e-04 C are separated by distance r = 0.03105 m in vacuum. The magnitude of the electrostatic force is F = k |q1 q2| / r² = 1.5232e+06 N, where k = 8.9875517923 × 10⁹ N·m²/C². The force is repulsive if the charges have the same sign and attractive if opposite.
F = k |q1 q2| / r^2; k = 1/(4 π ε_0)
newton_second_law
Compute the Coulomb force between two point charges.
2,309
physics
electromagnetism
coulomb_law
5
worked_example
Coulomb force between charges -8.3186e-04 C and -4.1184e-04 C separated by 1.055 m
Two point charges q1 = -8.3186e-04 C and q2 = -4.1184e-04 C are separated by distance r = 1.055 m in vacuum. The magnitude of the electrostatic force is F = k |q1 q2| / r² = 2765 N, where k = 8.9875517923 × 10⁹ N·m²/C². The force is repulsive if the charges have the same sign and attractive if opposite.
F = k |q1 q2| / r^2; k = 1/(4 π ε_0)
newton_second_law
Compute the Coulomb force between two point charges.
2,310
physics
electromagnetism
coulomb_law
5
worked_example
Coulomb force between charges 3.5216e-04 C and 2.5264e-04 C separated by 0.07774 m
Two point charges q1 = 3.5216e-04 C and q2 = 2.5264e-04 C are separated by distance r = 0.07774 m in vacuum. The magnitude of the electrostatic force is F = k |q1 q2| / r² = 1.3230e+05 N, where k = 8.9875517923 × 10⁹ N·m²/C². The force is repulsive if the charges have the same sign and attractive if opposite.
F = k |q1 q2| / r^2; k = 1/(4 π ε_0)
newton_second_law
Compute the Coulomb force between two point charges.
2,311
physics
electromagnetism
coulomb_law
5
worked_example
Coulomb force between charges -5.7825e-05 C and -9.5054e-04 C separated by 1.28 m
Two point charges q1 = -5.7825e-05 C and q2 = -9.5054e-04 C are separated by distance r = 1.28 m in vacuum. The magnitude of the electrostatic force is F = k |q1 q2| / r² = 301.6 N, where k = 8.9875517923 × 10⁹ N·m²/C². The force is repulsive if the charges have the same sign and attractive if opposite.
F = k |q1 q2| / r^2; k = 1/(4 π ε_0)
newton_second_law
Compute the Coulomb force between two point charges.
2,312
physics
electromagnetism
coulomb_law
5
worked_example
Coulomb force between charges -8.7300e-05 C and -3.7658e-04 C separated by 1.53 m
Two point charges q1 = -8.7300e-05 C and q2 = -3.7658e-04 C are separated by distance r = 1.53 m in vacuum. The magnitude of the electrostatic force is F = k |q1 q2| / r² = 126.2 N, where k = 8.9875517923 × 10⁹ N·m²/C². The force is repulsive if the charges have the same sign and attractive if opposite.
F = k |q1 q2| / r^2; k = 1/(4 π ε_0)
newton_second_law
Compute the Coulomb force between two point charges.
2,313
physics
electromagnetism
coulomb_law
5
worked_example
Coulomb force between charges -8.9611e-04 C and -2.5408e-04 C separated by 0.9392 m
Two point charges q1 = -8.9611e-04 C and q2 = -2.5408e-04 C are separated by distance r = 0.9392 m in vacuum. The magnitude of the electrostatic force is F = k |q1 q2| / r² = 2320 N, where k = 8.9875517923 × 10⁹ N·m²/C². The force is repulsive if the charges have the same sign and attractive if opposite.
F = k |q1 q2| / r^2; k = 1/(4 π ε_0)
newton_second_law
Compute the Coulomb force between two point charges.
2,314
physics
electromagnetism
coulomb_law
5
worked_example
Coulomb force between charges -6.3914e-04 C and 7.6959e-04 C separated by 1.388 m
Two point charges q1 = -6.3914e-04 C and q2 = 7.6959e-04 C are separated by distance r = 1.388 m in vacuum. The magnitude of the electrostatic force is F = k |q1 q2| / r² = 2296 N, where k = 8.9875517923 × 10⁹ N·m²/C². The force is repulsive if the charges have the same sign and attractive if opposite.
F = k |q1 q2| / r^2; k = 1/(4 π ε_0)
newton_second_law
Compute the Coulomb force between two point charges.
2,315
physics
electromagnetism
coulomb_law
5
worked_example
Coulomb force between charges 2.5808e-04 C and -2.7801e-04 C separated by 0.1342 m
Two point charges q1 = 2.5808e-04 C and q2 = -2.7801e-04 C are separated by distance r = 0.1342 m in vacuum. The magnitude of the electrostatic force is F = k |q1 q2| / r² = 3.5832e+04 N, where k = 8.9875517923 × 10⁹ N·m²/C². The force is repulsive if the charges have the same sign and attractive if opposite.
F = k |q1 q2| / r^2; k = 1/(4 π ε_0)
newton_second_law
Compute the Coulomb force between two point charges.
2,316
physics
electromagnetism
coulomb_law
5
worked_example
Coulomb force between charges 3.3332e-04 C and -2.5898e-04 C separated by 1.627 m
Two point charges q1 = 3.3332e-04 C and q2 = -2.5898e-04 C are separated by distance r = 1.627 m in vacuum. The magnitude of the electrostatic force is F = k |q1 q2| / r² = 292.9 N, where k = 8.9875517923 × 10⁹ N·m²/C². The force is repulsive if the charges have the same sign and attractive if opposite.
F = k |q1 q2| / r^2; k = 1/(4 π ε_0)
newton_second_law
Compute the Coulomb force between two point charges.
2,317
physics
electromagnetism
coulomb_law
5
worked_example
Coulomb force between charges -4.4113e-04 C and 9.7944e-04 C separated by 0.4093 m
Two point charges q1 = -4.4113e-04 C and q2 = 9.7944e-04 C are separated by distance r = 0.4093 m in vacuum. The magnitude of the electrostatic force is F = k |q1 q2| / r² = 2.3176e+04 N, where k = 8.9875517923 × 10⁹ N·m²/C². The force is repulsive if the charges have the same sign and attractive if opposite.
F = k |q1 q2| / r^2; k = 1/(4 π ε_0)
newton_second_law
Compute the Coulomb force between two point charges.
2,318
physics
electromagnetism
coulomb_law
5
worked_example
Coulomb force between charges 1.7926e-04 C and 1.0932e-04 C separated by 1.086 m
Two point charges q1 = 1.7926e-04 C and q2 = 1.0932e-04 C are separated by distance r = 1.086 m in vacuum. The magnitude of the electrostatic force is F = k |q1 q2| / r² = 149.4 N, where k = 8.9875517923 × 10⁹ N·m²/C². The force is repulsive if the charges have the same sign and attractive if opposite.
F = k |q1 q2| / r^2; k = 1/(4 π ε_0)
newton_second_law
Compute the Coulomb force between two point charges.
2,319
physics
electromagnetism
coulomb_law
5
worked_example
Coulomb force between charges 2.1917e-04 C and -9.1270e-04 C separated by 1.434 m
Two point charges q1 = 2.1917e-04 C and q2 = -9.1270e-04 C are separated by distance r = 1.434 m in vacuum. The magnitude of the electrostatic force is F = k |q1 q2| / r² = 874.7 N, where k = 8.9875517923 × 10⁹ N·m²/C². The force is repulsive if the charges have the same sign and attractive if opposite.
F = k |q1 q2| / r^2; k = 1/(4 π ε_0)
newton_second_law
Compute the Coulomb force between two point charges.
2,320
physics
electromagnetism
coulomb_law
5
worked_example
Coulomb force between charges -3.5826e-05 C and -5.7177e-04 C separated by 0.5087 m
Two point charges q1 = -3.5826e-05 C and q2 = -5.7177e-04 C are separated by distance r = 0.5087 m in vacuum. The magnitude of the electrostatic force is F = k |q1 q2| / r² = 711.5 N, where k = 8.9875517923 × 10⁹ N·m²/C². The force is repulsive if the charges have the same sign and attractive if opposite.
F = k |q1 q2| / r^2; k = 1/(4 π ε_0)
newton_second_law
Compute the Coulomb force between two point charges.
2,321
physics
electromagnetism
coulomb_law
5
worked_example
Coulomb force between charges 1.9746e-05 C and 1.4971e-04 C separated by 1.284 m
Two point charges q1 = 1.9746e-05 C and q2 = 1.4971e-04 C are separated by distance r = 1.284 m in vacuum. The magnitude of the electrostatic force is F = k |q1 q2| / r² = 16.11 N, where k = 8.9875517923 × 10⁹ N·m²/C². The force is repulsive if the charges have the same sign and attractive if opposite.
F = k |q1 q2| / r^2; k = 1/(4 π ε_0)
newton_second_law
Compute the Coulomb force between two point charges.
2,322
physics
electromagnetism
coulomb_law
5
worked_example
Coulomb force between charges -6.6494e-04 C and 1.5246e-04 C separated by 0.6664 m
Two point charges q1 = -6.6494e-04 C and q2 = 1.5246e-04 C are separated by distance r = 0.6664 m in vacuum. The magnitude of the electrostatic force is F = k |q1 q2| / r² = 2052 N, where k = 8.9875517923 × 10⁹ N·m²/C². The force is repulsive if the charges have the same sign and attractive if opposite.
F = k |q1 q2| / r^2; k = 1/(4 π ε_0)
newton_second_law
Compute the Coulomb force between two point charges.
2,323
physics
electromagnetism
coulomb_law
5
worked_example
Coulomb force between charges 5.7507e-04 C and 4.7866e-04 C separated by 0.8138 m
Two point charges q1 = 5.7507e-04 C and q2 = 4.7866e-04 C are separated by distance r = 0.8138 m in vacuum. The magnitude of the electrostatic force is F = k |q1 q2| / r² = 3736 N, where k = 8.9875517923 × 10⁹ N·m²/C². The force is repulsive if the charges have the same sign and attractive if opposite.
F = k |q1 q2| / r^2; k = 1/(4 π ε_0)
newton_second_law
Compute the Coulomb force between two point charges.
2,324
physics
electromagnetism
coulomb_law
5
worked_example
Coulomb force between charges -5.4059e-04 C and -3.8504e-04 C separated by 1.382 m
Two point charges q1 = -5.4059e-04 C and q2 = -3.8504e-04 C are separated by distance r = 1.382 m in vacuum. The magnitude of the electrostatic force is F = k |q1 q2| / r² = 980 N, where k = 8.9875517923 × 10⁹ N·m²/C². The force is repulsive if the charges have the same sign and attractive if opposite.
F = k |q1 q2| / r^2; k = 1/(4 π ε_0)
newton_second_law
Compute the Coulomb force between two point charges.
2,325
physics
electromagnetism
coulomb_law
5
worked_example
Coulomb force between charges 1.2208e-04 C and 3.3411e-04 C separated by 0.6126 m
Two point charges q1 = 1.2208e-04 C and q2 = 3.3411e-04 C are separated by distance r = 0.6126 m in vacuum. The magnitude of the electrostatic force is F = k |q1 q2| / r² = 976.8 N, where k = 8.9875517923 × 10⁹ N·m²/C². The force is repulsive if the charges have the same sign and attractive if opposite.
F = k |q1 q2| / r^2; k = 1/(4 π ε_0)
newton_second_law
Compute the Coulomb force between two point charges.
2,326
physics
electromagnetism
coulomb_law
5
worked_example
Coulomb force between charges -6.3264e-04 C and -3.6599e-04 C separated by 1.708 m
Two point charges q1 = -6.3264e-04 C and q2 = -3.6599e-04 C are separated by distance r = 1.708 m in vacuum. The magnitude of the electrostatic force is F = k |q1 q2| / r² = 713.2 N, where k = 8.9875517923 × 10⁹ N·m²/C². The force is repulsive if the charges have the same sign and attractive if opposite.
F = k |q1 q2| / r^2; k = 1/(4 π ε_0)
newton_second_law
Compute the Coulomb force between two point charges.
2,327
physics
electromagnetism
coulomb_law
5
worked_example
Coulomb force between charges 8.1376e-05 C and 7.6069e-04 C separated by 0.587 m
Two point charges q1 = 8.1376e-05 C and q2 = 7.6069e-04 C are separated by distance r = 0.587 m in vacuum. The magnitude of the electrostatic force is F = k |q1 q2| / r² = 1615 N, where k = 8.9875517923 × 10⁹ N·m²/C². The force is repulsive if the charges have the same sign and attractive if opposite.
F = k |q1 q2| / r^2; k = 1/(4 π ε_0)
newton_second_law
Compute the Coulomb force between two point charges.
2,328
physics
electromagnetism
coulomb_law
5
worked_example
Coulomb force between charges -1.7744e-04 C and -9.6755e-04 C separated by 1.325 m
Two point charges q1 = -1.7744e-04 C and q2 = -9.6755e-04 C are separated by distance r = 1.325 m in vacuum. The magnitude of the electrostatic force is F = k |q1 q2| / r² = 879.1 N, where k = 8.9875517923 × 10⁹ N·m²/C². The force is repulsive if the charges have the same sign and attractive if opposite.
F = k |q1 q2| / r^2; k = 1/(4 π ε_0)
newton_second_law
Compute the Coulomb force between two point charges.
2,329
physics
electromagnetism
coulomb_law
5
worked_example
Coulomb force between charges 6.9619e-04 C and -6.3099e-04 C separated by 0.7249 m
Two point charges q1 = 6.9619e-04 C and q2 = -6.3099e-04 C are separated by distance r = 0.7249 m in vacuum. The magnitude of the electrostatic force is F = k |q1 q2| / r² = 7513 N, where k = 8.9875517923 × 10⁹ N·m²/C². The force is repulsive if the charges have the same sign and attractive if opposite.
F = k |q1 q2| / r^2; k = 1/(4 π ε_0)
newton_second_law
Compute the Coulomb force between two point charges.
2,330
physics
electromagnetism
coulomb_law
5
worked_example
Coulomb force between charges -8.8533e-04 C and 7.3559e-04 C separated by 0.2885 m
Two point charges q1 = -8.8533e-04 C and q2 = 7.3559e-04 C are separated by distance r = 0.2885 m in vacuum. The magnitude of the electrostatic force is F = k |q1 q2| / r² = 7.0328e+04 N, where k = 8.9875517923 × 10⁹ N·m²/C². The force is repulsive if the charges have the same sign and attractive if opposite.
F = k |q1 q2| / r^2; k = 1/(4 π ε_0)
newton_second_law
Compute the Coulomb force between two point charges.
2,331
physics
electromagnetism
coulomb_law
5
worked_example
Coulomb force between charges -2.6339e-05 C and -4.8974e-04 C separated by 0.1354 m
Two point charges q1 = -2.6339e-05 C and q2 = -4.8974e-04 C are separated by distance r = 0.1354 m in vacuum. The magnitude of the electrostatic force is F = k |q1 q2| / r² = 6328 N, where k = 8.9875517923 × 10⁹ N·m²/C². The force is repulsive if the charges have the same sign and attractive if opposite.
F = k |q1 q2| / r^2; k = 1/(4 π ε_0)
newton_second_law
Compute the Coulomb force between two point charges.
2,332
physics
electromagnetism
coulomb_law
5
worked_example
Coulomb force between charges 5.0018e-04 C and 9.6661e-04 C separated by 0.04267 m
Two point charges q1 = 5.0018e-04 C and q2 = 9.6661e-04 C are separated by distance r = 0.04267 m in vacuum. The magnitude of the electrostatic force is F = k |q1 q2| / r² = 2.3863e+06 N, where k = 8.9875517923 × 10⁹ N·m²/C². The force is repulsive if the charges have the same sign and attractive if opposite.
F = k |q1 q2| / r^2; k = 1/(4 π ε_0)
newton_second_law
Compute the Coulomb force between two point charges.
2,333
physics
electromagnetism
coulomb_law
5
worked_example
Coulomb force between charges 5.6998e-05 C and -4.0610e-04 C separated by 0.4312 m
Two point charges q1 = 5.6998e-05 C and q2 = -4.0610e-04 C are separated by distance r = 0.4312 m in vacuum. The magnitude of the electrostatic force is F = k |q1 q2| / r² = 1119 N, where k = 8.9875517923 × 10⁹ N·m²/C². The force is repulsive if the charges have the same sign and attractive if opposite.
F = k |q1 q2| / r^2; k = 1/(4 π ε_0)
newton_second_law
Compute the Coulomb force between two point charges.
2,334
physics
electromagnetism
coulomb_law
5
worked_example
Coulomb force between charges 9.4015e-04 C and -7.4131e-04 C separated by 0.4736 m
Two point charges q1 = 9.4015e-04 C and q2 = -7.4131e-04 C are separated by distance r = 0.4736 m in vacuum. The magnitude of the electrostatic force is F = k |q1 q2| / r² = 2.7922e+04 N, where k = 8.9875517923 × 10⁹ N·m²/C². The force is repulsive if the charges have the same sign and attractive if opposite.
F = k |q1 q2| / r^2; k = 1/(4 π ε_0)
newton_second_law
Compute the Coulomb force between two point charges.
2,335
physics
electromagnetism
coulomb_law
5
worked_example
Coulomb force between charges -3.7841e-05 C and -4.8941e-04 C separated by 0.04794 m
Two point charges q1 = -3.7841e-05 C and q2 = -4.8941e-04 C are separated by distance r = 0.04794 m in vacuum. The magnitude of the electrostatic force is F = k |q1 q2| / r² = 7.2437e+04 N, where k = 8.9875517923 × 10⁹ N·m²/C². The force is repulsive if the charges have the same sign and attractive if opposite.
F = k |q1 q2| / r^2; k = 1/(4 π ε_0)
newton_second_law
Compute the Coulomb force between two point charges.
2,336
physics
electromagnetism
coulomb_law
5
worked_example
Coulomb force between charges -2.4344e-04 C and -1.5351e-05 C separated by 1.269 m
Two point charges q1 = -2.4344e-04 C and q2 = -1.5351e-05 C are separated by distance r = 1.269 m in vacuum. The magnitude of the electrostatic force is F = k |q1 q2| / r² = 20.86 N, where k = 8.9875517923 × 10⁹ N·m²/C². The force is repulsive if the charges have the same sign and attractive if opposite.
F = k |q1 q2| / r^2; k = 1/(4 π ε_0)
newton_second_law
Compute the Coulomb force between two point charges.
2,337
physics
electromagnetism
coulomb_law
5
worked_example
Coulomb force between charges 8.2092e-04 C and -4.5673e-04 C separated by 0.3497 m
Two point charges q1 = 8.2092e-04 C and q2 = -4.5673e-04 C are separated by distance r = 0.3497 m in vacuum. The magnitude of the electrostatic force is F = k |q1 q2| / r² = 2.7560e+04 N, where k = 8.9875517923 × 10⁹ N·m²/C². The force is repulsive if the charges have the same sign and attractive if opposite.
F = k |q1 q2| / r^2; k = 1/(4 π ε_0)
newton_second_law
Compute the Coulomb force between two point charges.
2,338
physics
electromagnetism
coulomb_law
5
worked_example
Coulomb force between charges -8.1798e-04 C and -1.1507e-04 C separated by 1.194 m
Two point charges q1 = -8.1798e-04 C and q2 = -1.1507e-04 C are separated by distance r = 1.194 m in vacuum. The magnitude of the electrostatic force is F = k |q1 q2| / r² = 593.4 N, where k = 8.9875517923 × 10⁹ N·m²/C². The force is repulsive if the charges have the same sign and attractive if opposite.
F = k |q1 q2| / r^2; k = 1/(4 π ε_0)
newton_second_law
Compute the Coulomb force between two point charges.
2,339
physics
electromagnetism
coulomb_law
5
worked_example
Coulomb force between charges -6.4047e-05 C and -4.2679e-04 C separated by 1.625 m
Two point charges q1 = -6.4047e-05 C and q2 = -4.2679e-04 C are separated by distance r = 1.625 m in vacuum. The magnitude of the electrostatic force is F = k |q1 q2| / r² = 93.04 N, where k = 8.9875517923 × 10⁹ N·m²/C². The force is repulsive if the charges have the same sign and attractive if opposite.
F = k |q1 q2| / r^2; k = 1/(4 π ε_0)
newton_second_law
Compute the Coulomb force between two point charges.
2,340
physics
electromagnetism
coulomb_law
5
worked_example
Coulomb force between charges 3.2491e-04 C and -3.2227e-04 C separated by 1.93 m
Two point charges q1 = 3.2491e-04 C and q2 = -3.2227e-04 C are separated by distance r = 1.93 m in vacuum. The magnitude of the electrostatic force is F = k |q1 q2| / r² = 252.7 N, where k = 8.9875517923 × 10⁹ N·m²/C². The force is repulsive if the charges have the same sign and attractive if opposite.
F = k |q1 q2| / r^2; k = 1/(4 π ε_0)
newton_second_law
Compute the Coulomb force between two point charges.
2,341
physics
electromagnetism
coulomb_law
5
worked_example
Coulomb force between charges -7.6446e-04 C and -3.3617e-04 C separated by 0.2503 m
Two point charges q1 = -7.6446e-04 C and q2 = -3.3617e-04 C are separated by distance r = 0.2503 m in vacuum. The magnitude of the electrostatic force is F = k |q1 q2| / r² = 3.6871e+04 N, where k = 8.9875517923 × 10⁹ N·m²/C². The force is repulsive if the charges have the same sign and attractive if opposite.
F = k |q1 q2| / r^2; k = 1/(4 π ε_0)
newton_second_law
Compute the Coulomb force between two point charges.
2,342
physics
electromagnetism
coulomb_law
5
worked_example
Coulomb force between charges -7.5779e-04 C and -6.9660e-04 C separated by 1.111 m
Two point charges q1 = -7.5779e-04 C and q2 = -6.9660e-04 C are separated by distance r = 1.111 m in vacuum. The magnitude of the electrostatic force is F = k |q1 q2| / r² = 3842 N, where k = 8.9875517923 × 10⁹ N·m²/C². The force is repulsive if the charges have the same sign and attractive if opposite.
F = k |q1 q2| / r^2; k = 1/(4 π ε_0)
newton_second_law
Compute the Coulomb force between two point charges.
2,343
physics
electromagnetism
coulomb_law
5
worked_example
Coulomb force between charges 2.4440e-04 C and -1.3424e-04 C separated by 1.584 m
Two point charges q1 = 2.4440e-04 C and q2 = -1.3424e-04 C are separated by distance r = 1.584 m in vacuum. The magnitude of the electrostatic force is F = k |q1 q2| / r² = 117.5 N, where k = 8.9875517923 × 10⁹ N·m²/C². The force is repulsive if the charges have the same sign and attractive if opposite.
F = k |q1 q2| / r^2; k = 1/(4 π ε_0)
newton_second_law
Compute the Coulomb force between two point charges.
2,344
physics
electromagnetism
coulomb_law
5
worked_example
Coulomb force between charges 7.7788e-04 C and -8.7975e-04 C separated by 0.1706 m
Two point charges q1 = 7.7788e-04 C and q2 = -8.7975e-04 C are separated by distance r = 0.1706 m in vacuum. The magnitude of the electrostatic force is F = k |q1 q2| / r² = 2.1123e+05 N, where k = 8.9875517923 × 10⁹ N·m²/C². The force is repulsive if the charges have the same sign and attractive if opposite.
F = k |q1 q2| / r^2; k = 1/(4 π ε_0)
newton_second_law
Compute the Coulomb force between two point charges.
2,345
physics
electromagnetism
coulomb_law
5
worked_example
Coulomb force between charges -1.8023e-04 C and -7.0703e-04 C separated by 1.192 m
Two point charges q1 = -1.8023e-04 C and q2 = -7.0703e-04 C are separated by distance r = 1.192 m in vacuum. The magnitude of the electrostatic force is F = k |q1 q2| / r² = 806.7 N, where k = 8.9875517923 × 10⁹ N·m²/C². The force is repulsive if the charges have the same sign and attractive if opposite.
F = k |q1 q2| / r^2; k = 1/(4 π ε_0)
newton_second_law
Compute the Coulomb force between two point charges.
2,346
physics
electromagnetism
coulomb_law
5
worked_example
Coulomb force between charges 4.1681e-04 C and 6.9267e-04 C separated by 0.4203 m
Two point charges q1 = 4.1681e-04 C and q2 = 6.9267e-04 C are separated by distance r = 0.4203 m in vacuum. The magnitude of the electrostatic force is F = k |q1 q2| / r² = 1.4691e+04 N, where k = 8.9875517923 × 10⁹ N·m²/C². The force is repulsive if the charges have the same sign and attractive if opposite.
F = k |q1 q2| / r^2; k = 1/(4 π ε_0)
newton_second_law
Compute the Coulomb force between two point charges.
2,347
physics
electromagnetism
coulomb_law
5
worked_example
Coulomb force between charges 5.2356e-04 C and 2.4001e-04 C separated by 0.3574 m
Two point charges q1 = 5.2356e-04 C and q2 = 2.4001e-04 C are separated by distance r = 0.3574 m in vacuum. The magnitude of the electrostatic force is F = k |q1 q2| / r² = 8844 N, where k = 8.9875517923 × 10⁹ N·m²/C². The force is repulsive if the charges have the same sign and attractive if opposite.
F = k |q1 q2| / r^2; k = 1/(4 π ε_0)
newton_second_law
Compute the Coulomb force between two point charges.
2,348
physics
electromagnetism
coulomb_law
5
worked_example
Coulomb force between charges -5.9668e-04 C and 6.1244e-04 C separated by 0.1852 m
Two point charges q1 = -5.9668e-04 C and q2 = 6.1244e-04 C are separated by distance r = 0.1852 m in vacuum. The magnitude of the electrostatic force is F = k |q1 q2| / r² = 9.5794e+04 N, where k = 8.9875517923 × 10⁹ N·m²/C². The force is repulsive if the charges have the same sign and attractive if opposite.
F = k |q1 q2| / r^2; k = 1/(4 π ε_0)
newton_second_law
Compute the Coulomb force between two point charges.
2,349
physics
electromagnetism
coulomb_law
5
worked_example
Coulomb force between charges 3.4851e-04 C and -5.5815e-04 C separated by 0.3919 m
Two point charges q1 = 3.4851e-04 C and q2 = -5.5815e-04 C are separated by distance r = 0.3919 m in vacuum. The magnitude of the electrostatic force is F = k |q1 q2| / r² = 1.1384e+04 N, where k = 8.9875517923 × 10⁹ N·m²/C². The force is repulsive if the charges have the same sign and attractive if opposite.
F = k |q1 q2| / r^2; k = 1/(4 π ε_0)
newton_second_law
Compute the Coulomb force between two point charges.
2,350
physics
electromagnetism
coulomb_law
5
worked_example
Coulomb force between charges -6.1930e-04 C and -4.6475e-04 C separated by 1.257 m
Two point charges q1 = -6.1930e-04 C and q2 = -4.6475e-04 C are separated by distance r = 1.257 m in vacuum. The magnitude of the electrostatic force is F = k |q1 q2| / r² = 1638 N, where k = 8.9875517923 × 10⁹ N·m²/C². The force is repulsive if the charges have the same sign and attractive if opposite.
F = k |q1 q2| / r^2; k = 1/(4 π ε_0)
newton_second_law
Compute the Coulomb force between two point charges.
2,351
physics
electromagnetism
coulomb_law
5
worked_example
Coulomb force between charges -2.7715e-04 C and -1.1357e-04 C separated by 0.3069 m
Two point charges q1 = -2.7715e-04 C and q2 = -1.1357e-04 C are separated by distance r = 0.3069 m in vacuum. The magnitude of the electrostatic force is F = k |q1 q2| / r² = 3003 N, where k = 8.9875517923 × 10⁹ N·m²/C². The force is repulsive if the charges have the same sign and attractive if opposite.
F = k |q1 q2| / r^2; k = 1/(4 π ε_0)
newton_second_law
Compute the Coulomb force between two point charges.
2,352
physics
electromagnetism
coulomb_law
5
worked_example
Coulomb force between charges 4.9802e-04 C and -6.7047e-04 C separated by 0.0958 m
Two point charges q1 = 4.9802e-04 C and q2 = -6.7047e-04 C are separated by distance r = 0.0958 m in vacuum. The magnitude of the electrostatic force is F = k |q1 q2| / r² = 3.2699e+05 N, where k = 8.9875517923 × 10⁹ N·m²/C². The force is repulsive if the charges have the same sign and attractive if opposite.
F = k |q1 q2| / r^2; k = 1/(4 π ε_0)
newton_second_law
Compute the Coulomb force between two point charges.
2,353
physics
electromagnetism
coulomb_law
5
worked_example
Coulomb force between charges 2.8578e-04 C and 2.5213e-04 C separated by 1.237 m
Two point charges q1 = 2.8578e-04 C and q2 = 2.5213e-04 C are separated by distance r = 1.237 m in vacuum. The magnitude of the electrostatic force is F = k |q1 q2| / r² = 422.9 N, where k = 8.9875517923 × 10⁹ N·m²/C². The force is repulsive if the charges have the same sign and attractive if opposite.
F = k |q1 q2| / r^2; k = 1/(4 π ε_0)
newton_second_law
Compute the Coulomb force between two point charges.
2,354
physics
electromagnetism
coulomb_law
5
worked_example
Coulomb force between charges 4.4274e-05 C and -9.2494e-04 C separated by 0.36 m
Two point charges q1 = 4.4274e-05 C and q2 = -9.2494e-04 C are separated by distance r = 0.36 m in vacuum. The magnitude of the electrostatic force is F = k |q1 q2| / r² = 2840 N, where k = 8.9875517923 × 10⁹ N·m²/C². The force is repulsive if the charges have the same sign and attractive if opposite.
F = k |q1 q2| / r^2; k = 1/(4 π ε_0)
newton_second_law
Compute the Coulomb force between two point charges.
2,355
physics
electromagnetism
coulomb_law
5
worked_example
Coulomb force between charges -4.8558e-04 C and -7.1789e-05 C separated by 0.4782 m
Two point charges q1 = -4.8558e-04 C and q2 = -7.1789e-05 C are separated by distance r = 0.4782 m in vacuum. The magnitude of the electrostatic force is F = k |q1 q2| / r² = 1370 N, where k = 8.9875517923 × 10⁹ N·m²/C². The force is repulsive if the charges have the same sign and attractive if opposite.
F = k |q1 q2| / r^2; k = 1/(4 π ε_0)
newton_second_law
Compute the Coulomb force between two point charges.
2,356
physics
electromagnetism
coulomb_law
5
worked_example
Coulomb force between charges 5.9311e-04 C and 4.1965e-04 C separated by 1.497 m
Two point charges q1 = 5.9311e-04 C and q2 = 4.1965e-04 C are separated by distance r = 1.497 m in vacuum. The magnitude of the electrostatic force is F = k |q1 q2| / r² = 998.6 N, where k = 8.9875517923 × 10⁹ N·m²/C². The force is repulsive if the charges have the same sign and attractive if opposite.
F = k |q1 q2| / r^2; k = 1/(4 π ε_0)
newton_second_law
Compute the Coulomb force between two point charges.
2,357
physics
electromagnetism
coulomb_law
5
worked_example
Coulomb force between charges 2.3083e-04 C and -3.2681e-04 C separated by 0.2051 m
Two point charges q1 = 2.3083e-04 C and q2 = -3.2681e-04 C are separated by distance r = 0.2051 m in vacuum. The magnitude of the electrostatic force is F = k |q1 q2| / r² = 1.6110e+04 N, where k = 8.9875517923 × 10⁹ N·m²/C². The force is repulsive if the charges have the same sign and attractive if opposite.
F = k |q1 q2| / r^2; k = 1/(4 π ε_0)
newton_second_law
Compute the Coulomb force between two point charges.
2,358
physics
electromagnetism
coulomb_law
5
worked_example
Coulomb force between charges 8.7002e-04 C and 8.9147e-04 C separated by 0.1563 m
Two point charges q1 = 8.7002e-04 C and q2 = 8.9147e-04 C are separated by distance r = 0.1563 m in vacuum. The magnitude of the electrostatic force is F = k |q1 q2| / r² = 2.8525e+05 N, where k = 8.9875517923 × 10⁹ N·m²/C². The force is repulsive if the charges have the same sign and attractive if opposite.
F = k |q1 q2| / r^2; k = 1/(4 π ε_0)
newton_second_law
Compute the Coulomb force between two point charges.
2,359
physics
electromagnetism
coulomb_law
5
worked_example
Coulomb force between charges 5.5285e-05 C and 1.4580e-04 C separated by 1.856 m
Two point charges q1 = 5.5285e-05 C and q2 = 1.4580e-04 C are separated by distance r = 1.856 m in vacuum. The magnitude of the electrostatic force is F = k |q1 q2| / r² = 21.02 N, where k = 8.9875517923 × 10⁹ N·m²/C². The force is repulsive if the charges have the same sign and attractive if opposite.
F = k |q1 q2| / r^2; k = 1/(4 π ε_0)
newton_second_law
Compute the Coulomb force between two point charges.
2,360
physics
electromagnetism
coulomb_law
5
worked_example
Coulomb force between charges 1.7888e-04 C and 1.3727e-04 C separated by 1.442 m
Two point charges q1 = 1.7888e-04 C and q2 = 1.3727e-04 C are separated by distance r = 1.442 m in vacuum. The magnitude of the electrostatic force is F = k |q1 q2| / r² = 106.1 N, where k = 8.9875517923 × 10⁹ N·m²/C². The force is repulsive if the charges have the same sign and attractive if opposite.
F = k |q1 q2| / r^2; k = 1/(4 π ε_0)
newton_second_law
Compute the Coulomb force between two point charges.
2,361
physics
electromagnetism
coulomb_law
5
worked_example
Coulomb force between charges 9.7558e-04 C and -3.3656e-04 C separated by 0.07387 m
Two point charges q1 = 9.7558e-04 C and q2 = -3.3656e-04 C are separated by distance r = 0.07387 m in vacuum. The magnitude of the electrostatic force is F = k |q1 q2| / r² = 5.4081e+05 N, where k = 8.9875517923 × 10⁹ N·m²/C². The force is repulsive if the charges have the same sign and attractive if opposite.
F = k |q1 q2| / r^2; k = 1/(4 π ε_0)
newton_second_law
Compute the Coulomb force between two point charges.
2,362
physics
electromagnetism
coulomb_law
5
worked_example
Coulomb force between charges -2.8132e-04 C and -8.5180e-04 C separated by 0.9226 m
Two point charges q1 = -2.8132e-04 C and q2 = -8.5180e-04 C are separated by distance r = 0.9226 m in vacuum. The magnitude of the electrostatic force is F = k |q1 q2| / r² = 2530 N, where k = 8.9875517923 × 10⁹ N·m²/C². The force is repulsive if the charges have the same sign and attractive if opposite.
F = k |q1 q2| / r^2; k = 1/(4 π ε_0)
newton_second_law
Compute the Coulomb force between two point charges.
2,363
physics
electromagnetism
coulomb_law
5
worked_example
Coulomb force between charges -7.6058e-04 C and -8.8652e-04 C separated by 1.211 m
Two point charges q1 = -7.6058e-04 C and q2 = -8.8652e-04 C are separated by distance r = 1.211 m in vacuum. The magnitude of the electrostatic force is F = k |q1 q2| / r² = 4131 N, where k = 8.9875517923 × 10⁹ N·m²/C². The force is repulsive if the charges have the same sign and attractive if opposite.
F = k |q1 q2| / r^2; k = 1/(4 π ε_0)
newton_second_law
Compute the Coulomb force between two point charges.
2,364
physics
electromagnetism
coulomb_law
5
worked_example
Coulomb force between charges -5.7854e-04 C and -8.7388e-05 C separated by 1.715 m
Two point charges q1 = -5.7854e-04 C and q2 = -8.7388e-05 C are separated by distance r = 1.715 m in vacuum. The magnitude of the electrostatic force is F = k |q1 q2| / r² = 154.4 N, where k = 8.9875517923 × 10⁹ N·m²/C². The force is repulsive if the charges have the same sign and attractive if opposite.
F = k |q1 q2| / r^2; k = 1/(4 π ε_0)
newton_second_law
Compute the Coulomb force between two point charges.
2,365
physics
electromagnetism
coulomb_law
5
worked_example
Coulomb force between charges 8.6234e-04 C and -5.9199e-04 C separated by 1.676 m
Two point charges q1 = 8.6234e-04 C and q2 = -5.9199e-04 C are separated by distance r = 1.676 m in vacuum. The magnitude of the electrostatic force is F = k |q1 q2| / r² = 1634 N, where k = 8.9875517923 × 10⁹ N·m²/C². The force is repulsive if the charges have the same sign and attractive if opposite.
F = k |q1 q2| / r^2; k = 1/(4 π ε_0)
newton_second_law
Compute the Coulomb force between two point charges.
2,366
physics
electromagnetism
coulomb_law
5
worked_example
Coulomb force between charges 1.5489e-05 C and 7.3644e-04 C separated by 0.5008 m
Two point charges q1 = 1.5489e-05 C and q2 = 7.3644e-04 C are separated by distance r = 0.5008 m in vacuum. The magnitude of the electrostatic force is F = k |q1 q2| / r² = 408.7 N, where k = 8.9875517923 × 10⁹ N·m²/C². The force is repulsive if the charges have the same sign and attractive if opposite.
F = k |q1 q2| / r^2; k = 1/(4 π ε_0)
newton_second_law
Compute the Coulomb force between two point charges.
2,367
physics
electromagnetism
coulomb_law
5
worked_example
Coulomb force between charges 4.3481e-04 C and -8.9193e-04 C separated by 1.188 m
Two point charges q1 = 4.3481e-04 C and q2 = -8.9193e-04 C are separated by distance r = 1.188 m in vacuum. The magnitude of the electrostatic force is F = k |q1 q2| / r² = 2471 N, where k = 8.9875517923 × 10⁹ N·m²/C². The force is repulsive if the charges have the same sign and attractive if opposite.
F = k |q1 q2| / r^2; k = 1/(4 π ε_0)
newton_second_law
Compute the Coulomb force between two point charges.
2,368
physics
electromagnetism
coulomb_law
5
worked_example
Coulomb force between charges -9.1384e-04 C and -4.1835e-04 C separated by 0.09801 m
Two point charges q1 = -9.1384e-04 C and q2 = -4.1835e-04 C are separated by distance r = 0.09801 m in vacuum. The magnitude of the electrostatic force is F = k |q1 q2| / r² = 3.5773e+05 N, where k = 8.9875517923 × 10⁹ N·m²/C². The force is repulsive if the charges have the same sign and attractive if opposite.
F = k |q1 q2| / r^2; k = 1/(4 π ε_0)
newton_second_law
Compute the Coulomb force between two point charges.
2,369
physics
electromagnetism
coulomb_law
5
worked_example
Coulomb force between charges 7.3374e-04 C and -4.2627e-04 C separated by 0.7947 m
Two point charges q1 = 7.3374e-04 C and q2 = -4.2627e-04 C are separated by distance r = 0.7947 m in vacuum. The magnitude of the electrostatic force is F = k |q1 q2| / r² = 4451 N, where k = 8.9875517923 × 10⁹ N·m²/C². The force is repulsive if the charges have the same sign and attractive if opposite.
F = k |q1 q2| / r^2; k = 1/(4 π ε_0)
newton_second_law
Compute the Coulomb force between two point charges.
2,370
physics
electromagnetism
coulomb_law
5
worked_example
Coulomb force between charges -4.5299e-04 C and -8.4008e-05 C separated by 1.509 m
Two point charges q1 = -4.5299e-04 C and q2 = -8.4008e-05 C are separated by distance r = 1.509 m in vacuum. The magnitude of the electrostatic force is F = k |q1 q2| / r² = 150.3 N, where k = 8.9875517923 × 10⁹ N·m²/C². The force is repulsive if the charges have the same sign and attractive if opposite.
F = k |q1 q2| / r^2; k = 1/(4 π ε_0)
newton_second_law
Compute the Coulomb force between two point charges.
2,371
physics
electromagnetism
coulomb_law
5
worked_example
Coulomb force between charges 9.4998e-04 C and -3.5905e-04 C separated by 0.4857 m
Two point charges q1 = 9.4998e-04 C and q2 = -3.5905e-04 C are separated by distance r = 0.4857 m in vacuum. The magnitude of the electrostatic force is F = k |q1 q2| / r² = 1.2993e+04 N, where k = 8.9875517923 × 10⁹ N·m²/C². The force is repulsive if the charges have the same sign and attractive if opposite.
F = k |q1 q2| / r^2; k = 1/(4 π ε_0)
newton_second_law
Compute the Coulomb force between two point charges.
2,372
physics
electromagnetism
coulomb_law
5
worked_example
Coulomb force between charges -1.6914e-05 C and 1.6264e-04 C separated by 0.924 m
Two point charges q1 = -1.6914e-05 C and q2 = 1.6264e-04 C are separated by distance r = 0.924 m in vacuum. The magnitude of the electrostatic force is F = k |q1 q2| / r² = 28.96 N, where k = 8.9875517923 × 10⁹ N·m²/C². The force is repulsive if the charges have the same sign and attractive if opposite.
F = k |q1 q2| / r^2; k = 1/(4 π ε_0)
newton_second_law
Compute the Coulomb force between two point charges.
2,373
physics
electromagnetism
coulomb_law
5
worked_example
Coulomb force between charges -9.7644e-04 C and 7.7206e-04 C separated by 1.75 m
Two point charges q1 = -9.7644e-04 C and q2 = 7.7206e-04 C are separated by distance r = 1.75 m in vacuum. The magnitude of the electrostatic force is F = k |q1 q2| / r² = 2213 N, where k = 8.9875517923 × 10⁹ N·m²/C². The force is repulsive if the charges have the same sign and attractive if opposite.
F = k |q1 q2| / r^2; k = 1/(4 π ε_0)
newton_second_law
Compute the Coulomb force between two point charges.
2,374
physics
electromagnetism
coulomb_law
5
worked_example
Coulomb force between charges 1.8576e-04 C and 6.2718e-04 C separated by 1.411 m
Two point charges q1 = 1.8576e-04 C and q2 = 6.2718e-04 C are separated by distance r = 1.411 m in vacuum. The magnitude of the electrostatic force is F = k |q1 q2| / r² = 526.1 N, where k = 8.9875517923 × 10⁹ N·m²/C². The force is repulsive if the charges have the same sign and attractive if opposite.
F = k |q1 q2| / r^2; k = 1/(4 π ε_0)
newton_second_law
Compute the Coulomb force between two point charges.
2,375
physics
electromagnetism
coulomb_law
5
worked_example
Coulomb force between charges -8.6052e-04 C and -3.8549e-04 C separated by 1.385 m
Two point charges q1 = -8.6052e-04 C and q2 = -3.8549e-04 C are separated by distance r = 1.385 m in vacuum. The magnitude of the electrostatic force is F = k |q1 q2| / r² = 1555 N, where k = 8.9875517923 × 10⁹ N·m²/C². The force is repulsive if the charges have the same sign and attractive if opposite.
F = k |q1 q2| / r^2; k = 1/(4 π ε_0)
newton_second_law
Compute the Coulomb force between two point charges.
2,376
physics
electromagnetism
coulomb_law
5
worked_example
Coulomb force between charges -2.9729e-04 C and 6.9836e-04 C separated by 1.229 m
Two point charges q1 = -2.9729e-04 C and q2 = 6.9836e-04 C are separated by distance r = 1.229 m in vacuum. The magnitude of the electrostatic force is F = k |q1 q2| / r² = 1236 N, where k = 8.9875517923 × 10⁹ N·m²/C². The force is repulsive if the charges have the same sign and attractive if opposite.
F = k |q1 q2| / r^2; k = 1/(4 π ε_0)
newton_second_law
Compute the Coulomb force between two point charges.
2,377
physics
electromagnetism
coulomb_law
5
worked_example
Coulomb force between charges -7.8790e-04 C and -6.2083e-04 C separated by 0.678 m
Two point charges q1 = -7.8790e-04 C and q2 = -6.2083e-04 C are separated by distance r = 0.678 m in vacuum. The magnitude of the electrostatic force is F = k |q1 q2| / r² = 9563 N, where k = 8.9875517923 × 10⁹ N·m²/C². The force is repulsive if the charges have the same sign and attractive if opposite.
F = k |q1 q2| / r^2; k = 1/(4 π ε_0)
newton_second_law
Compute the Coulomb force between two point charges.
2,378
physics
electromagnetism
coulomb_law
5
worked_example
Coulomb force between charges -5.1522e-04 C and 8.8809e-04 C separated by 0.2308 m
Two point charges q1 = -5.1522e-04 C and q2 = 8.8809e-04 C are separated by distance r = 0.2308 m in vacuum. The magnitude of the electrostatic force is F = k |q1 q2| / r² = 7.7185e+04 N, where k = 8.9875517923 × 10⁹ N·m²/C². The force is repulsive if the charges have the same sign and attractive if opposite.
F = k |q1 q2| / r^2; k = 1/(4 π ε_0)
newton_second_law
Compute the Coulomb force between two point charges.
2,379
physics
electromagnetism
coulomb_law
5
worked_example
Coulomb force between charges 4.6589e-04 C and -3.6621e-04 C separated by 0.3588 m
Two point charges q1 = 4.6589e-04 C and q2 = -3.6621e-04 C are separated by distance r = 0.3588 m in vacuum. The magnitude of the electrostatic force is F = k |q1 q2| / r² = 1.1912e+04 N, where k = 8.9875517923 × 10⁹ N·m²/C². The force is repulsive if the charges have the same sign and attractive if opposite.
F = k |q1 q2| / r^2; k = 1/(4 π ε_0)
newton_second_law
Compute the Coulomb force between two point charges.
2,380
physics
electromagnetism
coulomb_law
5
worked_example
Coulomb force between charges -5.6120e-04 C and -1.3927e-04 C separated by 0.6765 m
Two point charges q1 = -5.6120e-04 C and q2 = -1.3927e-04 C are separated by distance r = 0.6765 m in vacuum. The magnitude of the electrostatic force is F = k |q1 q2| / r² = 1535 N, where k = 8.9875517923 × 10⁹ N·m²/C². The force is repulsive if the charges have the same sign and attractive if opposite.
F = k |q1 q2| / r^2; k = 1/(4 π ε_0)
newton_second_law
Compute the Coulomb force between two point charges.
2,381
physics
electromagnetism
coulomb_law
5
worked_example
Coulomb force between charges -6.4939e-04 C and -7.5342e-04 C separated by 1.524 m
Two point charges q1 = -6.4939e-04 C and q2 = -7.5342e-04 C are separated by distance r = 1.524 m in vacuum. The magnitude of the electrostatic force is F = k |q1 q2| / r² = 1893 N, where k = 8.9875517923 × 10⁹ N·m²/C². The force is repulsive if the charges have the same sign and attractive if opposite.
F = k |q1 q2| / r^2; k = 1/(4 π ε_0)
newton_second_law
Compute the Coulomb force between two point charges.
2,382
physics
electromagnetism
coulomb_law
5
worked_example
Coulomb force between charges 3.5336e-04 C and 5.0406e-04 C separated by 0.8516 m
Two point charges q1 = 3.5336e-04 C and q2 = 5.0406e-04 C are separated by distance r = 0.8516 m in vacuum. The magnitude of the electrostatic force is F = k |q1 q2| / r² = 2207 N, where k = 8.9875517923 × 10⁹ N·m²/C². The force is repulsive if the charges have the same sign and attractive if opposite.
F = k |q1 q2| / r^2; k = 1/(4 π ε_0)
newton_second_law
Compute the Coulomb force between two point charges.
2,383
physics
electromagnetism
coulomb_law
5
worked_example
Coulomb force between charges -6.4306e-05 C and 4.5296e-04 C separated by 1.008 m
Two point charges q1 = -6.4306e-05 C and q2 = 4.5296e-04 C are separated by distance r = 1.008 m in vacuum. The magnitude of the electrostatic force is F = k |q1 q2| / r² = 257.7 N, where k = 8.9875517923 × 10⁹ N·m²/C². The force is repulsive if the charges have the same sign and attractive if opposite.
F = k |q1 q2| / r^2; k = 1/(4 π ε_0)
newton_second_law
Compute the Coulomb force between two point charges.
2,384
physics
electromagnetism
coulomb_law
5
worked_example
Coulomb force between charges -4.7069e-04 C and 4.5253e-04 C separated by 0.7426 m
Two point charges q1 = -4.7069e-04 C and q2 = 4.5253e-04 C are separated by distance r = 0.7426 m in vacuum. The magnitude of the electrostatic force is F = k |q1 q2| / r² = 3471 N, where k = 8.9875517923 × 10⁹ N·m²/C². The force is repulsive if the charges have the same sign and attractive if opposite.
F = k |q1 q2| / r^2; k = 1/(4 π ε_0)
newton_second_law
Compute the Coulomb force between two point charges.
2,385
physics
electromagnetism
coulomb_law
5
worked_example
Coulomb force between charges -1.8917e-04 C and 8.8221e-05 C separated by 0.7875 m
Two point charges q1 = -1.8917e-04 C and q2 = 8.8221e-05 C are separated by distance r = 0.7875 m in vacuum. The magnitude of the electrostatic force is F = k |q1 q2| / r² = 241.9 N, where k = 8.9875517923 × 10⁹ N·m²/C². The force is repulsive if the charges have the same sign and attractive if opposite.
F = k |q1 q2| / r^2; k = 1/(4 π ε_0)
newton_second_law
Compute the Coulomb force between two point charges.
2,386
physics
electromagnetism
coulomb_law
5
worked_example
Coulomb force between charges -2.8908e-04 C and -1.1026e-04 C separated by 0.5591 m
Two point charges q1 = -2.8908e-04 C and q2 = -1.1026e-04 C are separated by distance r = 0.5591 m in vacuum. The magnitude of the electrostatic force is F = k |q1 q2| / r² = 916.3 N, where k = 8.9875517923 × 10⁹ N·m²/C². The force is repulsive if the charges have the same sign and attractive if opposite.
F = k |q1 q2| / r^2; k = 1/(4 π ε_0)
newton_second_law
Compute the Coulomb force between two point charges.
2,387
physics
electromagnetism
coulomb_law
5
worked_example
Coulomb force between charges -4.9683e-04 C and -5.2117e-04 C separated by 1.258 m
Two point charges q1 = -4.9683e-04 C and q2 = -5.2117e-04 C are separated by distance r = 1.258 m in vacuum. The magnitude of the electrostatic force is F = k |q1 q2| / r² = 1470 N, where k = 8.9875517923 × 10⁹ N·m²/C². The force is repulsive if the charges have the same sign and attractive if opposite.
F = k |q1 q2| / r^2; k = 1/(4 π ε_0)
newton_second_law
Compute the Coulomb force between two point charges.
2,388
physics
electromagnetism
coulomb_law
5
worked_example
Coulomb force between charges 4.1712e-04 C and -4.7443e-04 C separated by 0.8461 m
Two point charges q1 = 4.1712e-04 C and q2 = -4.7443e-04 C are separated by distance r = 0.8461 m in vacuum. The magnitude of the electrostatic force is F = k |q1 q2| / r² = 2485 N, where k = 8.9875517923 × 10⁹ N·m²/C². The force is repulsive if the charges have the same sign and attractive if opposite.
F = k |q1 q2| / r^2; k = 1/(4 π ε_0)
newton_second_law
Compute the Coulomb force between two point charges.
2,389
physics
electromagnetism
coulomb_law
5
worked_example
Coulomb force between charges -2.9223e-04 C and -2.3015e-05 C separated by 1.606 m
Two point charges q1 = -2.9223e-04 C and q2 = -2.3015e-05 C are separated by distance r = 1.606 m in vacuum. The magnitude of the electrostatic force is F = k |q1 q2| / r² = 23.44 N, where k = 8.9875517923 × 10⁹ N·m²/C². The force is repulsive if the charges have the same sign and attractive if opposite.
F = k |q1 q2| / r^2; k = 1/(4 π ε_0)
newton_second_law
Compute the Coulomb force between two point charges.
2,390
physics
electromagnetism
coulomb_law
5
worked_example
Coulomb force between charges 4.1228e-04 C and 6.5610e-04 C separated by 1.576 m
Two point charges q1 = 4.1228e-04 C and q2 = 6.5610e-04 C are separated by distance r = 1.576 m in vacuum. The magnitude of the electrostatic force is F = k |q1 q2| / r² = 979.1 N, where k = 8.9875517923 × 10⁹ N·m²/C². The force is repulsive if the charges have the same sign and attractive if opposite.
F = k |q1 q2| / r^2; k = 1/(4 π ε_0)
newton_second_law
Compute the Coulomb force between two point charges.
2,391
physics
electromagnetism
coulomb_law
5
worked_example
Coulomb force between charges 5.9376e-04 C and 4.5855e-04 C separated by 1.139 m
Two point charges q1 = 5.9376e-04 C and q2 = 4.5855e-04 C are separated by distance r = 1.139 m in vacuum. The magnitude of the electrostatic force is F = k |q1 q2| / r² = 1887 N, where k = 8.9875517923 × 10⁹ N·m²/C². The force is repulsive if the charges have the same sign and attractive if opposite.
F = k |q1 q2| / r^2; k = 1/(4 π ε_0)
newton_second_law
Compute the Coulomb force between two point charges.
2,392
physics
electromagnetism
coulomb_law
5
worked_example
Coulomb force between charges 1.7257e-04 C and 2.2756e-04 C separated by 0.7501 m
Two point charges q1 = 1.7257e-04 C and q2 = 2.2756e-04 C are separated by distance r = 0.7501 m in vacuum. The magnitude of the electrostatic force is F = k |q1 q2| / r² = 627.3 N, where k = 8.9875517923 × 10⁹ N·m²/C². The force is repulsive if the charges have the same sign and attractive if opposite.
F = k |q1 q2| / r^2; k = 1/(4 π ε_0)
newton_second_law
Compute the Coulomb force between two point charges.
2,393
physics
waves
wave_speed
4
worked_example
Wave relation: frequency 5777 Hz, speed 1315 m/s
A periodic wave travels at speed v = 1315 m/s with frequency f = 5777 Hz. The wavelength is λ = v / f = 0.2276 m. This relation follows from the definition of frequency as the number of cycles per unit time and wavelength as the spatial period.
v = f λ
basic kinematics
Relate wave speed, frequency, and wavelength.
2,394
physics
waves
wave_speed
4
worked_example
Wave relation: frequency 2984 Hz, speed 641.3 m/s
A periodic wave travels at speed v = 641.3 m/s with frequency f = 2984 Hz. The wavelength is λ = v / f = 0.2149 m. This relation follows from the definition of frequency as the number of cycles per unit time and wavelength as the spatial period.
v = f λ
basic kinematics
Relate wave speed, frequency, and wavelength.
2,395
physics
waves
wave_speed
4
worked_example
Wave relation: frequency 1.9125e+04 Hz, speed 1042 m/s
A periodic wave travels at speed v = 1042 m/s with frequency f = 1.9125e+04 Hz. The wavelength is λ = v / f = 0.0545 m. This relation follows from the definition of frequency as the number of cycles per unit time and wavelength as the spatial period.
v = f λ
basic kinematics
Relate wave speed, frequency, and wavelength.
2,396
physics
waves
wave_speed
4
worked_example
Wave relation: frequency 3233 Hz, speed 942.4 m/s
A periodic wave travels at speed v = 942.4 m/s with frequency f = 3233 Hz. The wavelength is λ = v / f = 0.2915 m. This relation follows from the definition of frequency as the number of cycles per unit time and wavelength as the spatial period.
v = f λ
basic kinematics
Relate wave speed, frequency, and wavelength.
2,397
physics
waves
wave_speed
4
worked_example
Wave relation: frequency 3662 Hz, speed 510.4 m/s
A periodic wave travels at speed v = 510.4 m/s with frequency f = 3662 Hz. The wavelength is λ = v / f = 0.1394 m. This relation follows from the definition of frequency as the number of cycles per unit time and wavelength as the spatial period.
v = f λ
basic kinematics
Relate wave speed, frequency, and wavelength.
2,398
physics
waves
wave_speed
4
worked_example
Wave relation: frequency 1.4168e+04 Hz, speed 1386 m/s
A periodic wave travels at speed v = 1386 m/s with frequency f = 1.4168e+04 Hz. The wavelength is λ = v / f = 0.0978 m. This relation follows from the definition of frequency as the number of cycles per unit time and wavelength as the spatial period.
v = f λ
basic kinematics
Relate wave speed, frequency, and wavelength.
2,399
physics
waves
wave_speed
4
worked_example
Wave relation: frequency 1.5893e+04 Hz, speed 493.5 m/s
A periodic wave travels at speed v = 493.5 m/s with frequency f = 1.5893e+04 Hz. The wavelength is λ = v / f = 0.03105 m. This relation follows from the definition of frequency as the number of cycles per unit time and wavelength as the spatial period.
v = f λ
basic kinematics
Relate wave speed, frequency, and wavelength.
2,400
physics
waves
wave_speed
4
worked_example
Wave relation: frequency 2356 Hz, speed 1493 m/s
A periodic wave travels at speed v = 1493 m/s with frequency f = 2356 Hz. The wavelength is λ = v / f = 0.6335 m. This relation follows from the definition of frequency as the number of cycles per unit time and wavelength as the spatial period.
v = f λ
basic kinematics
Relate wave speed, frequency, and wavelength.