A bus starting from rest moves with a uniform acceleration of 0.1 meter /second square 2minutes. find (a) the speed acquired (b) the distance travelled?
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given: u=0
a=0.1m/s^2
t=2min=2×60=120s
to find: v=?
s=?
(i) a=v-u/t
0.1=v-20/120
0.1×120=v
12m/s=speed
final velocity=12m/s
(ii) 2as=v^2-u^2
2×0.1×s=(12)^2-(0)^2
0.2×s=144-0
s=144/0.2
=1440/2
=720m//
hope it's helpful
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