The elevator E and its freight have a total mass of 400 kg. Hoisting is provided by the mo...

The elevator E and its freight have a total mass of 400 kg. Hoisting is provided by the motor M and the 60-kg block C. If the motor has an efficiency of ε = 0.6, determine the power that must be supplied to the motor when the elevator is hoisted upward at a constant speed of υE = 4 m/s.