Posted by **Anna** on Monday, January 11, 2010 at 7:32pm.

A 2.0 kg rock falls from a height of 25 m to a point 20 m above the ground.

a) how much potential energy does it lose?

b) How much kinetic energy does it gain?

Thanks.

## Answer This Question

## Related Questions

- Physics - A 2.0-kg rock falls from a height of 25 m to a point 20 m above the ...
- science - 1. How much potential energy does a 5kg block have if it is 2m above ...
- Physics - A roller-coaster car with a mass of 650 kg starts at rest from a point...
- physics - a boy who is 1.5m tall throws a ball into the air the ball attains a ...
- Physics 11th grade 2 - 1) A 20 kg rock is on the edge of a 100 m cliff. a. What ...
- physics - A roller-coaster car with a mass of 550 kg starts at rest from a point...
- science - A ball sitting on the top of a table has potential energy but no ...
- science - A ball sitting on the top of a table has potential energy but no ...
- Physics - at the moment when a shot putter releases a 4kg shot the shot is 1.25...
- science - A bouncy rubber ball is dropped from a height of about a metre above ...

More Related Questions