The velocity of a 2.0 kg particle moving in a straight line is given by (in m s⁻¹

PHYSICS · Subjective · A Level · Physics · Mechanics and materials · Mechanics and materials

Problem

The velocity of a 2.0 kg particle moving in a straight line is given by

v(t)=5t+3t^{2}

(in m s⁻¹, with t in seconds). Find the instantaneous power delivered to the particle at

t=2.0\,\text{s}