# Answer on Mechanics | Relativity Question for Aditya raj

Question #49238

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

(1)t^2P

(2)t^1/2

(3)t^-1/2

(4)t/m^1/2

(1)t^2P

(2)t^1/2

(3)t^-1/2

(4)t/m^1/2

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