From a refile of mass 4 kg ,a bullet of mass 50g is fired with an initial velocity of 35m s-1 calculate the initial recoil velocity of the refile
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Answer:
35/80 => 7/80
Explanation:
Let the recoil velocity of gun after firing is 'V'.
Mass of the bullet is 50g i.e 1/20 kg (m) and mass of gun is 40kg (M).
Velocity of bullet is 35m/s(v)
Velocity of gun and bullet before firing is 0.
.
Conserving Linear momentum
M.0 + m.0 = m.v + M(-V)
40.V = (1/20)35
V = 35/80 m/s
Negative if your direction is wrong.
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