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

## Related Questions

- Physics - a motor lifts a 12 kg mass to a height of 15 meters at a content ...
- 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 motor lifts a 70.0 kg box off the ground, starting from rest. In ...
- Physics - A 120-V motor has mechanical power output of 2.00 hp. It is 82.0% ...
- 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 3.00 hp. It is 94.0% ...
- 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 ...

More Related Questions