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Two paper screens A and B are separated ...

Two paper screens A and B are separated by a distance of 100m. A bullet pierces A and then B. the hole in B is 10 cm below the hole in A. if the bullet is travelling horizontally at the time of hitting A, then the velocity of the bullet at A is

Text Solution

Verified by Experts

The situation in shown in fig.

`d=u sqrt((2(h_(1)-h_(2)))/(g))`
`100=u sqrt((2xx0.1)/(9.8))`
`u=700 m//s`
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