A bullet of mass 0.012kg and horizontal speed 70 ms^(-1) strikes a block of wood of mass 0.4kg and instantly comes to rest with respect to the block. The block is suspended from the ceiling by means of thin wires. Calculate the height to which the block rises. Also, estimate the amount of heat produced in the block.

A bullet of mass 0.012kg and horizontal speed 70 ms^(-1) strikes a blo

1.	A bullet of mass 0.012kg and horizontal speed 70 ms^(-1) strikes a block of wood of mass 0.4kg and instantly comes to rest with respect to the block. The block is suspended from the ceiling by means of thin wires. Calculate the height to which the block rises. Also, estimate the amount of heat produced in the block.
Answer» SOLUTION :`= 21.2 CM, 28. 5J`