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The velocity v of a body moving along a ...

The velocity v of a body moving along a straight line varies with time t as `v=2t^(2)e^(-t)`, where v is in m/s and t is in second. The acceleration of body is zero at t =

A

0

B

2 s

C

3

D

Both (1) & (2)

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The correct Answer is:
D
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AAKASH INSTITUTE ENGLISH-MOTION IN A STRAIGHT LINE-ASSIGNMENT (SECTION - B)
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