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(1) Two bullets are fired, one 0.020 kg from a 5kg riffle, the other 0.015 kg, from a 2 k revolver. Which one has a bigger recoil and how much? to 22m orld look to 30

(1) Two bullets are fired, one 0.020 kg from a 5kg riffle, the other 0.015 kg, from a 2 k revolver. Which one has a bigger recoil and how much? to 22m orld look to 30

College Physics
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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**Problem Statement:** Two bullets are fired, one 0.020 kg from a 5 kg rifle, the other 0.015 kg from a 2 kg revolver. Which one has a bigger recoil and how much? **Notes:** - The question is about comparing the recoil of two firearms. - A handwritten note appears to start a recoil calculation: "For the rifle" "Here Vr = -0.004" - The problem likely involves calculating the recoil velocity of the firearms using the law of conservation of momentum. **Explanation:** To calculate the recoil velocity (Vr), use the principle of conservation of momentum: 1. For the rifle: - Bullet mass = 0.020 kg - Rifle mass = 5 kg 2. For the revolver: - Bullet mass = 0.015 kg - Revolver mass = 2 kg The formula for conservation of momentum implies: \( m_{\text{bullet}} \times v_{\text{bullet}} = m_{\text{gun}} \times v_{\text{gun}} \) Use this formula to compare which firearm experiences more recoil. The recoil velocity is inversely proportional to the mass of the firearm, meaning the lighter firearm (the revolver) would typically experience a greater recoil velocity.
Transcribed Image Text:**Problem Statement:** Two bullets are fired, one 0.020 kg from a 5 kg rifle, the other 0.015 kg from a 2 kg revolver. Which one has a bigger recoil and how much? **Notes:** - The question is about comparing the recoil of two firearms. - A handwritten note appears to start a recoil calculation: "For the rifle" "Here Vr = -0.004" - The problem likely involves calculating the recoil velocity of the firearms using the law of conservation of momentum. **Explanation:** To calculate the recoil velocity (Vr), use the principle of conservation of momentum: 1. For the rifle: - Bullet mass = 0.020 kg - Rifle mass = 5 kg 2. For the revolver: - Bullet mass = 0.015 kg - Revolver mass = 2 kg The formula for conservation of momentum implies: \( m_{\text{bullet}} \times v_{\text{bullet}} = m_{\text{gun}} \times v_{\text{gun}} \) Use this formula to compare which firearm experiences more recoil. The recoil velocity is inversely proportional to the mass of the firearm, meaning the lighter firearm (the revolver) would typically experience a greater recoil velocity.
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