Physics, asked by SpAp20042006, 10 months ago

Please answer it
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Answered by sangitarpatil4
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Answer:

t=2 sec

Explanation:

x=40+12t-t^3

velocity=dx/dt =0+12-3t^2

                       =12-3t^2

12-3t^2=0

4=t^2

t=2 sec

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