An electric motor lifts an elevator 1.1 m in 13.0 s by exerting an upward force of 7.80 x 104 N. What power does the motor produce in kW?
Power = Force x velocity
= 6600 Watts = 6.6 kW
(The velocity is 1.1/13 m/s)
= 6600 Watts = 6.6 kW
(The velocity is 1.1/13 m/s)