Question

A bullet moving with a velocity of
50\sqrt{2} \frac{m}{s}50
2
​

s
m
​

is fired into a target which it penetrates to the extent of
dd
metre. If this bullet is fired into a target of
\frac{d}{2}
2
d
​

metre thickness with the same velocity, it will come out of this target with a velocity of [Assume that resistance to motion is similar and uniform in both the cases]

Answers:-

a)
40 \sqrt{2} \frac{m}{s}40
2
​

s
m
​

b)
25 \sqrt{ 2 } \frac{m}{s}25
2
​

s
m
​

c)
50 \frac{m}{s}50
s
m
​

d)

5.0 \sqrt{3}5.0
3
​

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Answer 1

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