Posted by **Monique** on Monday, January 26, 2009 at 7:29pm.

When attempting to solve a gravitational potential energy equation, is the free-fall acceleration always 9.8m/s2?

- Physical Science -
**bobpursley**, Monday, January 26, 2009 at 7:38pm
No. It depends on how far from the Center of the Earth one is.

g= forcegravity/massaccelerating= GMassEarth/distance^2 where distance is from the mass to the center of the Earth. Now if one is on the Earth's Surface, one senses a constant g. But if one goes up 1000 miles into space, g is different.

- fylj hivyjef -
**fylj hivyjef**, Sunday, February 1, 2009 at 11:09pm
mdyq ftguorz irya hvqem kljzca vtpsdwajo jsoxinm

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