Posted by **Brittany** on Thursday, January 31, 2013 at 8:02pm.

If a 60 kg meteor falls to earth from a great distance. How much gravitational potential energy does it lose? (the energy PE is 0 at a great distance). What happens to this potential energy?

Final-Initial=-Gmm/r-0=change in energy

- Physics -
**drwls**, Thursday, January 31, 2013 at 8:58pm
The potential energy decreases by an amount

G M m/R

Where M is the Earth's mass, m is the meteor mass, and R is the radius of the Earth. G is the universal constant of gravity.

That energy increases the kinetic and thermal energy of the meteor and the atmosphere through which it passes.

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