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July 28, 2015

Homework Help: physics

Posted by kelly on Tuesday, December 1, 2009 at 1:11pm.

Planet Z is 1.0010^4 km in diameter. The free-fall acceleration on Planet Z is 10.0 m/s^2.
a)What is the mass of Planet Z?
b)What is the free-fall acceleration 9000 km above Planet Z's north pole?

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