Question

Problem 1
A 10 g bullet is shot from a 5 kg gun with a velocity of 400 m/s. What is the speed of recoil of the gun?
Solution : Given.
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Answer 1

the recoil velocity of the gun is 0.8 m/sec

Answer 2

Answer:

v = 0.8m/s

Explanation:

mass of gun × velocity of gun = mass of Bullet × velocity of bullet

=> (5) × v = (10/1000) × 400

=> v = (4000/1000) ÷ 5

=> v = 4/5

=> v = 0.8m/s