A Sand Mover at a Quarry Lifts 2,000 Kg of Sand

A sand mover at a quarry lifts 2,000 kg of sand per minute a vertical distance of 12 m.The sand is initially at rest and is discharged at the top of the sand mover with speed 5.0 m/s into a loading chute.What minimum power must be supplied to this machine?

A) 520 W
B) 3.9 kW
C) 6.7 kW
D) 4.3 kW
E) 1.1 kW