Gravel is dumped from a hopper, at a rate of 650 N/s, onto a moving belt, as

Question:

Gravel is dumped from a hopper, at a rate of 650 N/s, onto a moving belt, as in Fig P3.67. The gravel then passes off the end of the belt. The drive wheels are 80 cm in diameter and rotate clockwise at 150 r/min Neglecting system friction and air drag, estimate the power required to drive this belt.

Gravel is dumped from a hopper