1.

A bullet of mass 0 01kg and travelling at a speed of 500 m's stnkes and passes horizontally through ablock of mass 2kg which is suspended by a string of length 5m. The centre of gravity of the block isfound to raise a vertical distance of 0.1 m. What is the speed of the bullet after it emerges from theblock ig 9.8m/s] (time of passing of bullet is negligible)

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