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Amotor car of mass 1200kg is moving along a straight line with uniform velocity of 90km/hr. its velocity is slowed down to 18km/hr in 4s by an unbalanced external force. calculate the acceleration and change in momentum. also calculate the external force acting on it.
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Amotor car of mass 1200kg is moving along a straight line with uniform velocity of 90km/hr. its velo...
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