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OpenStudy (anonymous):
Diagram 7 shows two trolleys P and Q of masses 2kg and 1kg respectively.Trolleys P and Q move towards each other with initial velocities of 3m s^-1 and 2ms^-1 respectively. After colliding,they move separately in the same direction.Calculate the final velocity of trolley Q when the final velocity of P is 1.5ms^-1. A 1ms^-1(My answer) B 4ms^-1 C 6ms^-1 D 8ms^-1 Double checking
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OpenStudy (anonymous):
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