1.

A car of mass 1200 kg is moving along a straight line with a uniform velocity of 90 kmph. Its velocity is slowed down to 18 kmph in 4 s by an unbalanced external force. Calculate the change in momentum and the magnitude of the force required. [3 MARKS]

Answer»

A car of mass 1200 kg is moving along a straight line with a uniform velocity of 90 kmph. Its velocity is slowed down to 18 kmph in 4 s by an unbalanced external force. Calculate the change in momentum and the magnitude of the force required. [3 MARKS]



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