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May 22, 2015

Homework Help: physics

Posted by Ami on Thursday, September 9, 2010 at 12:54am.

The earth has a radius of 6380 km and turns around once on its axis in 24 h.

1)What is the radial acceleration of an object at the earth's equator? Give your answer in m/s^2

2) What is the radial acceleration of an object at the earth's equator? Give your answer as a fraction of g.

3) If a_rad at the equator is greater than g , objects would fly off the earth's surface and into space. What would the period of the earth's rotation have to be for this to occur?

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