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December 21, 2014

Homework Help: physics

Posted by Jen on Sunday, January 15, 2012 at 4:58pm.

An astronaut on a distant planet wants to determine its acceleration due to gravity. The astronaut throws a rock straight up with a velocity of 13.5 m/s and measures a time of 21.8 s before the rock returns to his hand. What is the acceleration due to gravity on this planet? (also select the direction)

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