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

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

`t^(2)P_(0)`

`t^(1//2)`

`t^(-1//2)`

`t/sqrt(m)`

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