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A cricket ball of mass 1.3 \(kg\) strikes a bat normally with a velocity of 30 ms1 and rebounds with a velocity of 17 ms1 in the opposite direction.
 
Calculate the impulse of the force exerted by the ball on the bat.
 
Impulse of the force exerted by the ball on the bat \(=\)  \(Ns\)
 
[Note: Enter your answer with 2 digits]