(i) A car of mass 2000 kg is decelerated uniformly from a velocity of 10
−1
to 5
−1
in 5 s by applying brakes. Calculate the initial and final
momentum of the object. Also, find the magnitude of the retarding force
exerted by brakes on car.
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car of mass 2000 kg is decelerated uniformly from a velocity of 10
−1
to 5
−1
in 5 s by applying brakes. Calculate the initial and final
momentum of the object. Also, find the magnitude of the retarding force
exerted by brakes on car.
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