Physics, asked by Anonymous, 11 months ago

plz explain....answer is D

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Answered by Yazlin
0

v=2t^2e^-t

a=dv/dt

=2[(2te^-t)-(t^2e^-t)]

if a=0

2te^-t=t^2e^-t

t=2 s

answer is option (B)


Anonymous: not understood
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