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What is the recoil velocity of the 100 kg gun when it fires a 1 kg ball horizontally from a 500m high cliff, and the ball lands 400m away from the bottom of the cliff? (Given: acceleration due to gravity = 10 m/s²)

Options

  1. A0.4 m/s
  2. B4 m/s
  3. C40 m/s
  4. D400 m/s

Correct answer

A. 0.4 m/s

Step-by-step solution

Correct Option is : (A) 0.4 m/s

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