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May 22, 2015

Homework Help: Physics

Posted by Raj on Sunday, October 21, 2007 at 11:09pm.

Mars' moon Phobos has a mass of 1.07x1016 kg and a mean radius
of 11.1 km. Let's say our rocket blasts off from the surface of Phobos
when Phobos is 9500 km from the surface of Mars. Does the rocket have
to work harder to escape from the gravitational pull of Phobos or that of
Mars?

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