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Q15 (1 Viewer)

Timske

Sequential
Joined
Nov 23, 2011
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794
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HSC
2012
Uni Grad
2016
fuck me i forgot how to do the velocity questions ii and onwards, max vel do you differentiate again and then make the x 0 but what the hell is t? i'm so dumb, did that shit so much times.. and the stupid log one i couldn't get k i kept getting like 0.00154 or something is it log2 over 20? screw me i won't come back what done is done, this will just depress me
max v when a = 0 ,
 

trevorli

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Mar 21, 2011
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HSC
2012
what was 15 b (iv) position of the particle when it is at rest for the first time?
 

Kostie100

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Mar 18, 2012
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2013
15 b (4) I got t=60 or pi/3 and then subbed that into displacement formula and got 2metres something.... Hope i got it right.
 

chillybags

New Member
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Oct 22, 2012
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HSC
2012
15b iv... did people get pi/3 - root3 + 3? which equals 2.315 approx?
 

lgnorance

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Oct 2, 2012
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98
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HSC
2003
you guys are idiots. if 5 people got the same ans then obv its right.... sheesh no need to stress.
 

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