Question

a bullet of mass 100g is fired from a gun of mass m witha. velocity of 100m/s if the gun recoilals with a velocity of 0.5m/s find the mass of the gun.


pls its urgent​

Answer 1

Answer:

9.5kg

Explanation:

• mass of bullet(m¹) = 100g=100/1000kg=0.1kg
• initial velocity of bullet(u¹) = 100m/s
• final velocity of bullet(v¹) = 0m/s

• mass of gun(m²) = m
• initial velocity of gun(u¹) = -0.5m/s
• final velocity of gun(v²) = 0m/s

BY APPLYING FORMULA:

m¹v¹+m²v² = m¹u¹+m²u²

0.1×0+m×0 = 0.1×100+m×-0.5

0+0 = 10+-0.5m

m = 9.5kg

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