Tuesday
September 30, 2014

Homework Help: PHYSICS.

Posted by Unknown on Tuesday, June 17, 2014 at 7:22pm.

5. A motor lifts a 12 kg mass to a height of 15 m at a constant velocity in 3.5 s.
a) Find the power b) If the motor is only 35% efficient find the input energy.

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

Physics - a motor lifts a 12 kg mass to a height of 15 meters at a content ...
Physics :) - A motor lifts a 70.0 kg box off the ground, starting from rest. In ...
algebra - The power (P) required to run a motor is equal to the voltage (E) ...
physics - An electric motor lifts an elevator 1.1 m in 13.0 s by exerting an ...
physics - An electric motor develops 73 kW of power as it lifts a loaded ...
Physics - An electric motor develops 70 kw of power as it lifts a loaded ...
physics - A 120-V motor has mechanical power output of 2.20 hp. It is 92.0% ...
physics - A 120-V motor has mechanical power output of 3.20 hp. It is 81.0% ...
physics - A certain elevator car has mass 2200 kg and is lifted by cables driven...
physics - An engine moves a motorboat through water at a constant velocity of 22...

Search
Members