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October 25, 2014

Homework Help: physics

Posted by donna on Tuesday, April 5, 2011 at 11:19pm.

n object is dropped from rest from a height
5.8 106 m above the surface of the earth.
If there is no air resistance, what is its speed
when it strikes the earth? The acceleration
of gravity is 9.81 m/s2 and the radius of the
Earth is 6.37 106 m.
Answer in units of km/s.

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