A batsman deflects a ball by an angle of 60° without changing its initial speed which is equal to 64 km/h. What is the impulse imparted to the ball ? (Mass of the ball is 0.25 kg.)
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Impulse is given by change in momentum
impulse =m{ucos60-(-ucos60)}
=0.25*(2*ucos60)
=0.25*(2*17.77*0.5)
=4.44kgm/s
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