a field gun of mass 1.5 ton fires a shell of mass 15 kg with a velocity of 150m/s.calculate the recoil velocity of gun.
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Answer:
The velocity of the gun during recoiling is 1.5 m/s
Explanation:
m1 = Mass of gun = 1.5 tonne
V1 = velocity of gun
m2 = mass of bullet = 15 kg
V2 = velocity of bullet = 150 m/s
Both are at rest therefore the momentum is zero.
According to the law of linear momentum.
0 = m1v1 + m2v2
0 = 1500 v1 + 15 x 150
0 = 10 v1 + 15
v1 = -15 /10
v1 = -1.5 m/s ( Negative sing shows the opposite direction of gun)
Hence the velocity of the gun during recoiling is 1.5 m/s
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From a rifle of mass 4 kg, a bullet of mass 50g is fired with an initial velocity of 35 m/s. callcuate the initial recoil velocity of the rifle ?
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