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03-08-2008, 09:41 PM
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| Physics help!!!?
A man of mass M1 = 104 kg is standing on a M2 = 5420 kg railroad flatcar that rolls without friction to the right with speed 1.9 m/s. Calculate the change in velocity (in m/s) of the flatcar, if the man runs to the left so that his speed relative to the original velocity of the car is 3.9 m/s.
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