Questions
Two paper screens A and B are separated by a distance of 100 m. 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
detailed solution
Correct option is D
h=12gt2 (In vertical direction)⇒ t=2hg=2×0.110=0.141 sNow, in horizontaI direction, vx=sxt=1000.141=700 ms-1Talk to our academic expert!
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