Asked by sim
A motor cyclist travelling at 12m/s decelerates at 3m/s^2.
(a)How long does he take to come to rest?
(b)How far does he travel in coming to rest?
(a)How long does he take to come to rest?
(b)How far does he travel in coming to rest?
Answers
Answered by
bobpursley
a. vf=vi+at
0=12-3t solve for t in seconds
b. distance= avgvelocity*time=6m/s*time
0=12-3t solve for t in seconds
b. distance= avgvelocity*time=6m/s*time
Answered by
Doly
9m/s
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