1.

From the top of a tower of height 100m a 10 gm block is dropped freely and a 6gm bullet is fired vertically upwards from the foot of the tower with velocity 100ms^(-1) simultaneously. They collide and stick together. The common velocity after collision is (g = 10 ms^(-2))

Answer»

`27.5 MS^(-1)`
`150 ms^(-1)`
`40 ms^(-1)`
`100 ms^(-1)`

Answer :A


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