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A car of mass m starts from rest and acc...

A car of mass m starts from rest and accelerates so that the instantaneous power delivered to the car has a constant magnitude `P_(0)`. The instantaneous velocity of this car is proportional to -

A

`t^(2)P_(0)`

B

`t^(1//2)`

C

`t^(-1//2)`

D

`(1)/(sqrtm)`

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The correct Answer is:
B
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