Homework Help: Physics

Posted by Adam on Monday, April 5, 2010 at 11:03pm.

While visiting Planet Physics, you toss a rock straight up at 15 and catch it 2.4 later. While you visit the surface, your cruise ship orbits at an altitude equal to the planet's radius every 240 min .

What is the mass of Planet Physics?
Express your answer using two significant figures.

What is the radius of Planet Physics?
Express your answer using two significant figures.

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