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February 27, 2015

Homework Help: physics

Posted by peyton on Thursday, March 11, 2010 at 8:50am.

A rocket of total mass 2580 kg is traveling in outer space with a velocity of 111 m/s. To alter its course by 32.0 degrees, its rockets can be fired briefly in a direction perpendicular to its original motion. If the rocket gases are expelled at a speed of 1560 m/s, how much mass must be expelled?

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