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Old 12-15-2009, 05:22 PM   #40
Triumph
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YEAH WATCH OUT

A spacecraft travels in perihelion to Earth and aphelion to Mars. Find the time of a one-way trip to Mars and the relative velocity of the spacecraft to an idle observer on Earth.

They call this "introductory" physics...

Took me half an hour to solve, and that's 1/6 of a practice final...
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