In the arrangement shown the mass of ball is n= 1/2 times as great as that of rod. The length of the rod is 1 =5m. Masses of pulley, threads and friction are negligible. The ball is set on the same level as the lower end of the rod & then released. How 10 soon will the ball be opposite to the upper end of the rod. (g=10 m/s2) 2
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sorry I dont know the answer
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