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April 17, 2014

April 17, 2014

Posted by **britney** on Monday, November 2, 2009 at 6:07pm.

How high would you have to lift a 1,000 kg car to give it a potential energy of: (a) 2.0 x 10^3, (b) 2.0 x 10^5, (c) 1.0 kW x h?

- 11th grade Physical Science -
**bobpursley**, Monday, November 2, 2009 at 6:14pm1/2 m v^2=Ke

v= sqrt 2KE/m

PE=mgh

h= PE/mg

- 11th grade Physical Science -
**Anonymous**, Wednesday, November 11, 2009 at 8:40amklngh

- 11th grade Physical Science -
**rose**, Sunday, November 15, 2009 at 1:54pmA 2-kg block rests on a wall that is 3 m tall. What is the gravitational potential energy of the block? The force of gravity on Earth (g) is equal to 9.8 m/s2.

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