Monday
April 21, 2014

Homework Help: Physics :D

Posted by Kellie on Monday, December 12, 2011 at 9:33pm.

An electric motor is tested and found 76% efficient. if the input work is 400 J, what is the motors output work?

A ramp has a length of 4m and a height of 1.5m. If a man pushes a 40N crate to the top of the ramp with a force of 60N, what is the efficiency of the ramp?

How do I do these two?

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

physics - An electric motor is tested and found 76% efficient. if the input work...
Physics - The resistance of the wire in the windings of an electric starter ...
Statistics - The Toylot company makes an electric train with a motor that it ...
physics - A small motor draws a current of 1.76 A from a 110 V line. The output ...
physics - An electric motor lifts an elevator 1.1 m in 13.0 s by exerting an ...
PHYSICS - Using the motor principle explain why a motor is rotating in the ...
Physics - A diagram represents a simplified sketch of an electric DC motor.which...
physics - An electric motor develops 73 kW of power as it lifts a loaded ...
Physics - What is the basic difference between an electric generator and an ...
physics - What is the primary difference between an electric motor and an ...

Search
Members