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July 3, 2015

Homework Help: physics

Posted by janie on Monday, May 31, 2010 at 9:41am.

An astronaut exploring a distant solar system lands on an unnamed planet with a radius of 2520 km. When the astronaut jumps upward with an initial speed of 2.94 m/s, she rises to a height of 0.83 m. What is the mass of the planet?

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