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A car of mass m starts from rest and accelerates so that the instantaneous power delivered to the car has a constant magnitude P0.

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A car of mass m starts from rest and accelerates so that the instantaneous power delivered to the car has a constant magnitude P0. The instantaneous velocity of this car is proportional to :

(A) t2P0 

(B) t1/2 

(C) t–1/2 

(D) t/√m 

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Correct option (B) t1/2

Explanation:

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