Homework Help: physics

Posted by abby on Friday, January 20, 2012 at 11:24am.

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?

physics - drwls, Friday, January 20, 2012 at 12:32pm
Power = Force x velocity
= 6600 Watts = 6.6 kW

(The velocity is 1.1/13 m/s)

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