Physics

Problem

A body of mass

0.5 \text{ kg}

travels on straight line path with velocity

v = (3x^2 + 4) \text{ m/s}

. The net work done by the force during its displacement from

x = 0

x = 2 \text{ m}

is : (a)

64 \text{ J}

(b)

60 \text{ J}

(c)

120 \text{ J}

(d)

128 \text{ J}