A hydraulic elevator is lifting two women, a child, and a cat at a rate of 50 ft/min. If their combined mass is 282 Ibm and the mass of the elevator is 1250 lbm, what is the minimum power rating...

Extracted text: A hydraulic elevator is lifting two women, a child, and a cat at a rate of 50 ft/min. If their combined mass is 282 Ibm and the mass of the elevator is 1250 lbm, what is the minimum power rating required? Express this quantity in units of Watts. The elevator is 78% efficient.