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July 23, 2014

Homework Help: physical science

Posted by Amie on Wednesday, August 30, 2006 at 5:54pm.

A 200.0 kg astronaut and equipment move with a velocity of 2.00 m/s toward an orbiting spacecraft. How long will the astronaut need to fire a 100.0 N rocket backpack to stop the motion relative to the spacecraft?


100*timefiring= mass*changevelocity

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