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September 3, 2015

Homework Help: physics

Posted by Anonymous on Friday, February 18, 2011 at 1:03pm.

An astronaut on the surface of Mars fires a cannon to launch an experiment package, which leaves the barrel moving horizontally. Assume that the free-fall acceleration on Mars is three eighths that on the Earth.(a) What must be the muzzle speed of the package so that it travels completely around Mars and returns to its original location?

(b) How long does this trip around Mars take?

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