Power supplied to a particle of mass 2 kg varies with time as P = 3 t 2 2 W . Here t is in second. velocity of particle at t = 0 is v = 0. The velocity of particle at time t = 2s will be –

Question

Power supplied to a particle of mass 2 kg varies with time as P = 3 t 2 2 W . Here t is in second. velocity of particle at t = 0 is v = 0. The velocity of particle at time t = 2s will be –, 1 m/s, 4 m/s, 2 m/s, 2 2 m/s

MARKS App · Accepted Answer

P = dK dt dK = P dt, 1 2 mv 2 = ∫ 0 2 3 2 t 2 dt v = 2 m/s

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