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help-10
1300a78709d34566a7fd61422a5a8257
215,090,636,192,350,200
نعمان
03/18/2022 18:22:26
https://cdn.discordapp.c…2512/unknown.png
unknown.png
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help-10
1300a78709d34566a7fd61422a5a8257
215,090,636,192,350,200
نعمان
03/18/2022 18:22:33
Why does he integrate?
1
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help-10
1300a78709d34566a7fd61422a5a8257
215,090,636,192,350,200
نعمان
03/18/2022 18:22:43
video-link: https://www.youtube.com/watch?v=QpVxj3XrLgk&list=PLyQSN7X0ro2314mKyUiOILaOC2hk6Pc3j&index=5
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help-10
1300a78709d34566a7fd61422a5a8257
160,921,656,313,905,150
Katharine
03/18/2022 18:24:35
The electric potential is the negative integral from a reference point to the point you want to find of the electric field
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help-10
1300a78709d34566a7fd61422a5a8257
160,921,656,313,905,150
Katharine
03/18/2022 18:25:19
$-\int_{\infty}^{\vec{r}} \vec{E} \ d\vec{l}$
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help-10
1300a78709d34566a7fd61422a5a8257
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TeXit
03/18/2022 18:25:41
**Katharine**
https://cdn.discordapp.c…656313905152.png
160921656313905152.png
0
1
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help-10
1300a78709d34566a7fd61422a5a8257
160,921,656,313,905,150
Katharine
03/18/2022 18:25:51
often the reference point is set at infinity
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help-10
1300a78709d34566a7fd61422a5a8257
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نعمان
03/18/2022 18:27:44
Oh i didnt know that, i thought it was defined as the potential energy per unit charge so Q/(4.pi.epsilon.R)
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help-10
1300a78709d34566a7fd61422a5a8257
215,090,636,192,350,200
نعمان
03/18/2022 18:28:05
(also ig this *is* a physics question after all since now im conceptually confused
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help-10
1300a78709d34566a7fd61422a5a8257
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Katharine
03/18/2022 18:29:54
another way of thinking about it would be
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help-10
1300a78709d34566a7fd61422a5a8257
160,921,656,313,905,150
Katharine
03/18/2022 18:30:11
$\vec{E} = -\nabla V$
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help-10
1300a78709d34566a7fd61422a5a8257
510,789,298,321,096,700
TeXit
03/18/2022 18:30:28
**Katharine**
https://cdn.discordapp.c…656313905152.png
160921656313905152.png
0
1
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null
null
null
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help-10
1300a78709d34566a7fd61422a5a8257
160,921,656,313,905,150
Katharine
03/18/2022 18:30:55
the reason he uses force
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help-10
1300a78709d34566a7fd61422a5a8257
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Katharine
03/18/2022 18:30:57
is because
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help-10
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Katharine
03/18/2022 18:31:12
$\vec{F} = q \vec{E}$
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help-10
1300a78709d34566a7fd61422a5a8257
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TeXit
03/18/2022 18:31:14
**Katharine**
https://cdn.discordapp.c…656313905152.png
160921656313905152.png
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help-10
1300a78709d34566a7fd61422a5a8257
160,921,656,313,905,150
Katharine
03/18/2022 18:32:16
btw you can rewrite it as the potential energy per charge
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help-10
1300a78709d34566a7fd61422a5a8257
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نعمان
03/18/2022 18:36:51
Hmm i dont really get it yet but i'm gonna look at it again tommorow
1
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help-10
1300a78709d34566a7fd61422a5a8257
215,090,636,192,350,200
نعمان
03/18/2022 18:36:56
thanks for the help!
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help-10
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weneedteoo
03/18/2022 21:42:47
https://cdn.discordapp.c…1820/unknown.png
unknown.png
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0
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help-10
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weneedteoo
03/18/2022 21:42:58
i need help
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weneedteoo
03/18/2022 21:43:09
i dont know how to solve this
1
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weneedteoo
03/18/2022 21:47:05
@Helpers
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dldh06
03/18/2022 21:47:28
You have to wait at least 15 minutes before pinging helpers
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weneedteoo
03/18/2022 21:47:32
oh
1
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help-10
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hellblaze_skyfire
03/18/2022 21:48:48
what is abs(y1-y2) for C (x1,y1) and another point P (-1,y2)?
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help-10
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weneedteoo
03/18/2022 21:49:29
to be real with you
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help-10
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weneedteoo
03/18/2022 21:49:35
I don't know
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help-10
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hellblaze_skyfire
03/18/2022 21:49:45
pls use another help channel
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help-10
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hellblaze_skyfire
03/18/2022 21:49:55
C has coords (-4,5)
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help-10
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weneedteoo
03/18/2022 21:50:10
I have just been stuck on it for 1 hour
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help-10
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weneedteoo
03/18/2022 21:50:25
yeah i know the coords on C
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help-10
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weneedteoo
03/18/2022 21:50:36
its just part B
1
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help-10
58182c47e4f14d619ead21072e302d19
608,001,262,830,616,600
weneedteoo
03/18/2022 21:50:43
i cant get my head around
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help-10
58182c47e4f14d619ead21072e302d19
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weneedteoo
03/18/2022 21:51:57
like part B of the coords
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help-10
58182c47e4f14d619ead21072e302d19
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weneedteoo
03/18/2022 21:52:01
i don't know
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help-10
58182c47e4f14d619ead21072e302d19
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hellblaze_skyfire
03/18/2022 21:52:36
I'll say it means to translate the whole figure so every point (x1,y1) becomes (x1-1,y1-6)
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help-10
58182c47e4f14d619ead21072e302d19
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weneedteoo
03/18/2022 22:00:13
@hellblaze_skyfire so is the part higlighted -4,5
https://cdn.discordapp.c…9808/unknown.png
unknown.png
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help-10
58182c47e4f14d619ead21072e302d19
892,725,065,127,444,500
hellblaze_skyfire
03/18/2022 22:00:24
nah
0
1
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help-10
58182c47e4f14d619ead21072e302d19
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hellblaze_skyfire
03/18/2022 22:00:34
C is (-4,5)
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help-10
58182c47e4f14d619ead21072e302d19
892,725,065,127,444,500
hellblaze_skyfire
03/18/2022 22:00:53
abs(-4-(-1))=abs(-3)=3
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weneedteoo
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help-10
58182c47e4f14d619ead21072e302d19
892,725,065,127,444,500
hellblaze_skyfire
03/18/2022 22:01:03
so the x of C' is (-1+3)=2
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help-10
58182c47e4f14d619ead21072e302d19
892,725,065,127,444,500
hellblaze_skyfire
03/18/2022 22:01:08
so C' is (2,5)
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help-10
58182c47e4f14d619ead21072e302d19
892,725,065,127,444,500
hellblaze_skyfire
03/18/2022 22:01:10
do you get it
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help-10
58182c47e4f14d619ead21072e302d19
608,001,262,830,616,600
weneedteoo
03/18/2022 22:01:57
so what is part B if part A is (2,5)
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help-10
58182c47e4f14d619ead21072e302d19
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hellblaze_skyfire
03/18/2022 22:01:58
try to explain yourself to me how we can get C;
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help-10
58182c47e4f14d619ead21072e302d19
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weneedteoo
03/18/2022 22:02:01
nah i dont
1
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weneedteoo
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help-10
58182c47e4f14d619ead21072e302d19
608,001,262,830,616,600
weneedteoo
03/18/2022 22:02:07
im just so stuck
1
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help-10
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hellblaze_skyfire
03/18/2022 22:02:11
lemme give you B first
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help-10
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hellblaze_skyfire
03/18/2022 22:02:16
(2-1,5-6)=(1,-1)
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help-10
58182c47e4f14d619ead21072e302d19
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hellblaze_skyfire
03/18/2022 22:02:34
However, I need you to try to explain how to go from C to C'
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help-10
58182c47e4f14d619ead21072e302d19
608,001,262,830,616,600
weneedteoo
03/18/2022 22:02:45
ok
1
0
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null
null
null
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1,328
help-10
58182c47e4f14d619ead21072e302d19
608,001,262,830,616,600
weneedteoo
03/18/2022 22:04:45
@hellblaze_skyfire nah i still am stuck i think if u give me B ill probably have my head grasped around how we get to the answer
1
0
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null
null
null
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help-10
58182c47e4f14d619ead21072e302d19
892,725,065,127,444,500
hellblaze_skyfire
03/18/2022 22:04:52
ok.
0
1
null
null
null
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help-10
58182c47e4f14d619ead21072e302d19
608,001,262,830,616,600
weneedteoo
03/18/2022 22:05:00
cuz im so lost
1
0
892,725,065,127,444,500
hellblaze_skyfire
5795
hellblaze_skyfire
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help-10
58182c47e4f14d619ead21072e302d19
892,725,065,127,444,500
hellblaze_skyfire
03/18/2022 22:05:01
So first we have C, which is (-4,5)
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help-10
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hellblaze_skyfire
03/18/2022 22:05:04
do you know what this means
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58182c47e4f14d619ead21072e302d19
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weneedteoo
03/18/2022 22:05:16
yeah
1
0
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help-10
58182c47e4f14d619ead21072e302d19
892,725,065,127,444,500
hellblaze_skyfire
03/18/2022 22:05:28
let's not reflect in x=-1 first
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help-10
58182c47e4f14d619ead21072e302d19
608,001,262,830,616,600
weneedteoo
03/18/2022 22:05:35
ok
1
0
null
null
null
null
null
1,328
help-10
58182c47e4f14d619ead21072e302d19
892,725,065,127,444,500
hellblaze_skyfire
03/18/2022 22:05:37
what is the coordinates if C is reflected in x=0
0
1
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help-10
58182c47e4f14d619ead21072e302d19
608,001,262,830,616,600
weneedteoo
03/18/2022 22:06:16
-4
1
0
null
null
null
null
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help-10
58182c47e4f14d619ead21072e302d19
608,001,262,830,616,600
weneedteoo
03/18/2022 22:06:19
and smth
1
0
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help-10
58182c47e4f14d619ead21072e302d19
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hellblaze_skyfire
03/18/2022 22:06:27
no
0
1
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1,328
help-10
58182c47e4f14d619ead21072e302d19
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hellblaze_skyfire
03/18/2022 22:06:42
if a point (x,y) is reflected in x=0 then it becomes (-x,y)
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help-10
58182c47e4f14d619ead21072e302d19
892,725,065,127,444,500
hellblaze_skyfire
03/18/2022 22:06:58
this can be expressed in two ways
0
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help-10
58182c47e4f14d619ead21072e302d19
608,001,262,830,616,600
weneedteoo
03/18/2022 22:07:24
ok
1
0
null
null
null
null
null
1,328
help-10
58182c47e4f14d619ead21072e302d19
892,725,065,127,444,500
hellblaze_skyfire
03/18/2022 22:08:20
the first one is of course (-x,y)
0
1
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null
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null
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1,328
help-10
58182c47e4f14d619ead21072e302d19
892,725,065,127,444,500
hellblaze_skyfire
03/18/2022 22:08:26
the second one is (x-2x,y)
0
1
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null
null
null
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1,328
help-10
58182c47e4f14d619ead21072e302d19
892,725,065,127,444,500
hellblaze_skyfire
03/18/2022 22:08:40
and if now we're reflecting in x=-1
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hellblaze_skyfire
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help-10
58182c47e4f14d619ead21072e302d19
892,725,065,127,444,500
hellblaze_skyfire
03/18/2022 22:09:50
we would do (x+2(abs(-1-x)),y)
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null
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1,328
help-10
58182c47e4f14d619ead21072e302d19
608,001,262,830,616,600
weneedteoo
03/18/2022 22:10:19
okay....
1
0
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null
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help-10
58182c47e4f14d619ead21072e302d19
892,725,065,127,444,500
hellblaze_skyfire
03/18/2022 22:10:36
now substitute -4 for x
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1
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null
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1,328
help-10
58182c47e4f14d619ead21072e302d19
892,725,065,127,444,500
hellblaze_skyfire
03/18/2022 22:10:47
,w x+2(abs(-1-x)) for x=-4
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null
null
null
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1,328
help-10
58182c47e4f14d619ead21072e302d19
510,789,298,321,096,700
TeXit
03/18/2022 22:10:53
Results provided by WolframAlpha
0
1
null
null
null
null
null
1,328
help-10
58182c47e4f14d619ead21072e302d19
608,001,262,830,616,600
weneedteoo
03/18/2022 22:11:29
(-4+2(-1--4)
1
0
null
null
null
null
null
1,328
help-10
58182c47e4f14d619ead21072e302d19
892,725,065,127,444,500
hellblaze_skyfire
03/18/2022 22:11:47
,w (-4+2(-1--4))
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1
null
null
null
null
null
1,328
help-10
58182c47e4f14d619ead21072e302d19
510,789,298,321,096,700
TeXit
03/18/2022 22:11:50
Results provided by WolframAlpha
0
1
null
null
null
null
null
1,328
help-10
58182c47e4f14d619ead21072e302d19
892,725,065,127,444,500
hellblaze_skyfire
03/18/2022 22:12:14
we see C is (-4,5)
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1
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null
1,328
help-10
58182c47e4f14d619ead21072e302d19
892,725,065,127,444,500
hellblaze_skyfire
03/18/2022 22:12:21
so C' would be (2,5)
0
1
null
null
null
null
null
1,328
help-10
58182c47e4f14d619ead21072e302d19
608,001,262,830,616,600
weneedteoo
03/18/2022 22:12:28
ohh
1
0
null
null
null
null
null
1,328
help-10
58182c47e4f14d619ead21072e302d19
892,725,065,127,444,500
hellblaze_skyfire
03/18/2022 22:12:48
has anyone explained to you what is the (-1,-6) notation in b
0
1
null
null
null
null
null
1,328
help-10
58182c47e4f14d619ead21072e302d19
608,001,262,830,616,600
weneedteoo
03/18/2022 22:12:56
no
1
0
null
null
null
null
null
1,328
help-10
58182c47e4f14d619ead21072e302d19
608,001,262,830,616,600
weneedteoo
03/18/2022 22:12:59
all ik is
1
0
null
null
null
null
null
1,328
help-10
58182c47e4f14d619ead21072e302d19
608,001,262,830,616,600
weneedteoo
03/18/2022 22:13:05
negative is
1
0
null
null
null
null
null
1,328
help-10
58182c47e4f14d619ead21072e302d19
608,001,262,830,616,600
weneedteoo
03/18/2022 22:13:06
left
1
0
null
null
null
null
null
1,328
help-10
58182c47e4f14d619ead21072e302d19
608,001,262,830,616,600
weneedteoo
03/18/2022 22:13:09
or down
1
0
null
null
null
null
null
1,328
help-10
58182c47e4f14d619ead21072e302d19
608,001,262,830,616,600
weneedteoo
03/18/2022 22:13:12
positive is
1
0
null
null
null
null
null
1,328
help-10
58182c47e4f14d619ead21072e302d19
608,001,262,830,616,600
weneedteoo
03/18/2022 22:13:16
up or right
1
0
null
null
null
null
null
1,328
help-10
58182c47e4f14d619ead21072e302d19
892,725,065,127,444,500
hellblaze_skyfire
03/18/2022 22:13:16
good
0
1
null
null
null
null
null
1,328
help-10
58182c47e4f14d619ead21072e302d19
608,001,262,830,616,600
weneedteoo
03/18/2022 22:13:19
but
1
0
null
null
null
null
null
1,328
help-10
58182c47e4f14d619ead21072e302d19
892,725,065,127,444,500
hellblaze_skyfire
03/18/2022 22:13:32
let's now assume the notation means (-1,-6)
0
1
null
null
null
null
null
1,328
help-10
58182c47e4f14d619ead21072e302d19
608,001,262,830,616,600
weneedteoo
03/18/2022 22:13:38
ok
1
0
null
null
null
null
null
1,328
help-10
58182c47e4f14d619ead21072e302d19
892,725,065,127,444,500
hellblaze_skyfire
03/18/2022 22:13:42
since it's not rotation it's translation
0
1
null
null
null
null
null
1,328
help-10
58182c47e4f14d619ead21072e302d19
892,725,065,127,444,500
hellblaze_skyfire
03/18/2022 22:13:47
x-1 and y-6
0
1
null
null
null
null
null
1,328
help-10
58182c47e4f14d619ead21072e302d19
892,725,065,127,444,500
hellblaze_skyfire
03/18/2022 22:13:56
so it's (2-1,5-6) which is (1,-1)
0
1
null
null
null
null
null
1,328
help-10
58182c47e4f14d619ead21072e302d19
608,001,262,830,616,600
weneedteoo
03/18/2022 22:14:32
oh u explained that so
1
0
null
null
null
null
null
1,328
help-10
58182c47e4f14d619ead21072e302d19
608,001,262,830,616,600
weneedteoo
03/18/2022 22:14:34
easily
1
0
null
null
null
null
null
1,328
help-10
58182c47e4f14d619ead21072e302d19
608,001,262,830,616,600
weneedteoo
03/18/2022 22:14:34
.
1
0
608,001,262,830,616,600
weneedteoo
3056
weneedteoo
false
1,328
help-10
58182c47e4f14d619ead21072e302d19
608,001,262,830,616,600
weneedteoo
03/18/2022 22:14:50
wait so
1
0
null
null
null
null
null