A player caught a cricket ball of mass 150g moving at a rate of 20−m/s. The catching process is completed in 0.1 second. What is the force exerted by the ball on the hand of the player?
A
15N
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B
20N
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C
30N
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D
40N
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Solution
The correct option is C30N M=150g v=20m/s t=0.1s a=(v−u)/t =(20)/0.1 =200m f=ma =150×200 =30000/1000 =30N