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A space shuttle has a mass of 110 kg with her space suit on. She is on a spacewalk and takes up a full can of spray with a mass of 20 kg. Relative to the space shuttle, she is at rest. She then holds the can directly in front of the centre of Mass to avoid rotation and releases 5.5 kg of spray at a speed of 15.6 m/s. Her speed, relative to the Space Shuttle, when she has stopped the spray is approximately a.bc m\s.

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  1. her momentum back = spray momentum forward
    (110+20-5.5) v = 5.5 * 15.6

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