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1000 ball bearings each of mass 1 gm are collected in a level square tray of side 2m and have a total transitional energy of 100 J. The balls undergo effectively elastic collisions and move in random directions. The average force exerted by the ball bearings on one side of the tray is ......?Answer is 50 N but I don`t know how to solve the problem. Please help.

1000 ball bearings each of mass 1 gm are collected in a level square tray of side 2m and have a total transitional energy of 100 J. The balls undergo effectively elastic collisions and move in random directions. The average force exerted by the ball bearings on one side of the tray is ......?Answer is 50 N but I don`t know how to solve the problem. Please help.

Grade:11

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