2 identical bullets are fired one by a light rifle and another by a heavy rifle. with the same force. which rifle will hurt the shoulder more and why
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Heavier because it will cause more momentum.
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Let mass of light rifle be L and mass of heavy rifle be H.
then,
By using,
Law of conservation of momentum,
m1u1 + m2u2 = m1v1 + m2v2
0 + 0 = m1v1 + F
-L*v = F
(L*v1 = -F) _____ (1)
Now,
m1u1 + m2u2 = m1v1 + m2v2
0 + 0 = H*v + F
-H*v = F
(H*v2 = -F) _____ (2)
By equalising both equation,
we see that,
L*v1 = H*v2
that means,
They both will cause equal amount of injury to the shoulder.
PLZ MARK IT AS A BRAINLIEST ANSWER AND DROP A ♥.
then,
By using,
Law of conservation of momentum,
m1u1 + m2u2 = m1v1 + m2v2
0 + 0 = m1v1 + F
-L*v = F
(L*v1 = -F) _____ (1)
Now,
m1u1 + m2u2 = m1v1 + m2v2
0 + 0 = H*v + F
-H*v = F
(H*v2 = -F) _____ (2)
By equalising both equation,
we see that,
L*v1 = H*v2
that means,
They both will cause equal amount of injury to the shoulder.
PLZ MARK IT AS A BRAINLIEST ANSWER AND DROP A ♥.
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