If the motor winds in the cable with a constant speed of v = 3 ft/s, determine the power supplied to the motor. the load weighs 198 lb and the efficiency of the motor is ε = 0.8. neglect the mass of the pulleys

A1500 w electric heater is plugged into the outlet of a 120 v circuit that has a 20 a circuit breaker. you plug an electric hair dryer into the same outlet. the hair dryer has power settings of 600 w, 900 w , 1200 w, and 1500 w. you start with the hair dryer on the 600 w setting and increase the power setting until the circuit breaker trips. under what setting does the circuit breaker trip.