Work, Power and EnergyHard
Question
A car of mass m starts from rest and accelerates so that the instantaneous power delivered to thecar has a constant magnitude Po. The instantaneous velocity of this car is proportional to
Options
A.t/√m
B.t2Po
C.t1/2
D.t-1/2
Solution
v = PoV dV =
On integrating

V ∝ √t
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