Sunday
April 20, 2014

Homework Help: physics

Posted by james on Monday, July 8, 2013 at 1:14pm.

A 75.0-kg man is riding an escalator in a shopping mall. The escalator moves the man at a constant velocity from ground level to the floor above, a vertical height of 4.30 m. What is the work done on the man by (a) the gravitational force and (b) the escalator?

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

Physics - A 86.0-kg man is riding an escalator in a shopping mall. The escalator...
Science - An escalator is moving downward with a uniform speed of u. A man of ...
science - a person walks up a stationary escalator in t1 second if he remains ...
math - walking down a long moving escalator, phil covered the 75 m distance in ...
dynamics - the power developed by a man in riding up a 6 percent grade at a ...
Dynamics - The power developed by a man in riding up a 6 percent grade at a ...
Physics - Sau-Lan has a mass of 47 kg. She rides the up escalator at Ocean Park ...
Math - Walking down a long moving escalator, Phil covered 75 m in distance in 25...
Physics - Karen has a mass of 62.60 kg and she rides the up escalator at ...
Physics - Karen has a mass of 52.7 kg as she rides the up escalator at Woodley ...

Search
Members