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Its about momentum.

a spaceship travelling through space at 6800m/s relative to the earth consisting of both a motor of mass 600kg and a capsule of mass 280kg releases the motor such that the capsule travels at 7300m/s in the opposite direction. calculate the speed of the motor after its been released.
Question asked by: Valient

Asked on: 26 Sep 2010

The way to work out the answer to this question is to read your textbook and learn what the method and equation that you need to use is.

That is the best way and will enable you to answer any question like this that you come across in the future such as in an exam, good luck!

By: knowitall
Replied at: 03 Oct 2010
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momentum  

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