Science, asked by hk811817, 7 months ago

A motor car of mass 1200 kg is moving along a straight line with a uniform velocity of 90km/hr. Its

velocity is slowed down to 18 km/hr in 4 s by an unbalanced external force. Calculate the

acceleration and change in momentum. Also calculate the magnitude of the force required.

Answers

Answered by trupthi8

3

Answer:

A motorcar of mass 1200 kg is moving along a straight line with a uniform velocity of 90 km/h. Its velocity is slowed down to 18 km/h in 4 s by an unbalanced external force. ... Hence, the force required to decrease the velocity is 6000 N.

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