!!! SOLVE WITH APPROACH 3 !!!

[WITH ENERGY EQUATİONS]

The elevator Eand its freight have a total mass of400 kg. Hoisting is provided by the motor Mand the60 kg block C. If the motor has an efficiency of € = 0.6, determine the power that must besupplied to the motor when the elevator is hoisted upward at aconstant speed of Ve = 4 m/s. @OM VE