A bullet when fired at a target with velocity of 
penetrates 1 m into it. If the bullet is fired at a similar target with a thickness 0.5m, then it will emerge from it with a velocity of
a)
b)
c)
d)
A bullet when fired at a target with velocity of penetrates 1 m into it. If the bullet is fired at a similar target with a thickness 0.5m, then it will emerge from it with a velocity of
a)
b)
c)
d)
Question ID - 51917 | SaraNextGen Top Answer
A bullet when fired at a target with velocity of penetrates 1 m into it. If the bullet is fired at a similar target with a thickness 0.5m, then it will emerge from it with a velocity of
a)
b)
c)
d)
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A bullet when fired at a target with velocity of |
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b) |
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c) |
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1 Answer
127 votes
Answer Key / Explanation : (a) -
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(a) Let Now, change in kinetic energy = work done For first case, For second case, Dividing eq. (ii) by Eq. (i), we get
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be the velocity with which the bullet will emerge
127 votes
Answer Link
127