Question

bullet of mass 40g is fired from a gun of mass 8Kg with a velocity of 800m/s, calculate recoil velocity of gun
(1 Point)​

Answer 1

Formola:

m¹v¹= m²v²

m¹ = 40 grams = 40 ➗ 1000 = 0.04 KG

m²= 8 KG

v¹ = 800 m/s

Answer:

0.04 x 800 = 8 x v²

(0.04 x 800) /8 = v²

0.04 x 100 = v²

4 = v²

OR

v² = 4 m/s

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