# Two paper screens 𝐴 and 𝐵 are separated by a distance of 200 m. A bullet pierces 𝐴 and then 𝐵. The hole in 𝐵 is 40 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

Question : Two paper screens 𝐴 and 𝐵 are separated by a distance of 200 m. A bullet pierces 𝐴 and then 𝐵. The hole in 𝐵 is 40 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

(A) $200ms^{-1}$

(B) $400ms^{-1}$

(C) $600ms^{-1}$

(D) $700ms^{-1}$

Answer : option (D)

Solution :

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