Answered: Ball A has mass m and velocity v0. Ball…

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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Ball A has mass m and velocity v₀. Ball A moves to the right and hits Ball B, which is initially at rest in the lab frame S and has a mass of 3m. After, Ball A bounces back with a velocity of -v₀/ 2 and Ball B is pushed forward with velocity +v₀/ 2.

Show that the sum of the classical momentum (p = mv) is conserved in the lab frame S.

Expert Solution

Step 1

Determine the initial momentum of the system.

$\begin{array}{l} p_{i} = p_{A i} + p_{B i} \\ p_{i} = m v_{0} + (3 m) (0) \\ p_{i} = m v_{0} \end{array}$

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