Sunday
September 21, 2014

Homework Help: Physics

Posted by Priscilla on Monday, January 4, 2010 at 4:38pm.

A 2.0-kg rock falls from a height of 25 m to a point 20 m above the ground.
How much potential energy does it lose?

GIVEN:
mg = 2.0 kg
h/d = 5 m

PE = mgh

PE = (2)(5)
PE = 10 J

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

Physics (Potential & Kinetic energy) - A 2.0 kg rock falls from a height of 25 m...
science - A bouncy rubber ball is dropped from a height of about a metre above ...
PHISIC - A bouncy rubber ball is dropped from a height of about a metre above ...
Physics 11th grade 2 - 1) A 20 kg rock is on the edge of a 100 m cliff. a. What ...
physics - A 17-kg rock is on the edge of a 103-m cliff. (a) What potential ...
physics - a boy who is 1.5m tall throws a ball into the air the ball attains a ...
physics - A 17-kg rock is on the edge of a 103-m cliff. (a) What potential ...
Algebra - A physics student stands at the top of hill that has an elevation of ...
Algebra - I can't figure this out.. A physics student stands at the top of hill...
Physics - A roller-coaster car with a mass of 650 kg starts at rest from a point...

Search
Members