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A cricket ball of mass 1.3 \(kg\) strikes a bat normally with a velocity of 30 ms−1 and rebounds with a velocity of 17 ms−1 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]