a body is moving with the velocity of 40m/s it is given retardation 5m/s2 what is the time taken by the body to come to rest and what is it's displacement
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Answer:
u=40m/s
v=0
a=5m/s²
a=(v-u)/t
⇒ t=(v-u)/a
=(0-40)/5
=-40/5
=8secs
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