A bullet of mass 10 gm is fired with an initial velocity of 20m/s from a rifle of mass 4kg. Calculate the initial recoil velocity of the rifle
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Answered by
56
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v2 is the recoil velocity.
v2 is the recoil velocity.
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Answered by
47
Answer:
- 0.5 m/s
Explanation:
m1=0.01 kg m2=4kg
u1=0 and u2= 0
v1=20 v2=?
from law of conservation of motion,
m1u1 + m2u2 = m1v1 + m2v2
0= 0.01( 20) + 4v2
v2= ( - 0.5) m/s
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