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katykitz
a ball of mass 0.2kg moving with a velocity of 10 m/s hits a bat normally & returns with the velocity of 20 m/s.If the duration of impact is 0.01 sec find average force exerted by the bat
P'-P=F(T'-T) 0.2kg*30m/s=F*0.01s .solving for F u have F=600 N