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March 26, 2015

March 26, 2015

Posted by **Angeline** on Thursday, November 20, 2008 at 7:06pm.

Hint: recall that force is related to centripetal acceleration.

- Physics Gravitational Force -
**drwls**, Thursday, November 20, 2008 at 7:14pmThe velocity is V

= 2 pi*42*10^6 m/(24 h*3600 s/hr)

The distance from the earth's center is R = 42*10^6 m

The centripetal force acting is

F = m a = M V^2/R

and equals the gravitational attraction force.

- Physics Gravitational Force -
**Angeline**, Thursday, November 20, 2008 at 7:17pmthank you so much

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