santiago1663 santiago1663

16-01-2024
Physics

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A motor car of mass 1200kg is moving along a straight line with uniform velocity of 90km/hr. Its velocity slows down to 18km/hr in 5 seconds by an unbalanced force. Calculate the magnitude of this force.
a) 2400 N
b) 4800 N
c) 6000 N
d) 7200 N

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