Two perfectly elastic balls, weighing 6 lbs and 4 lbs, approaching each other with a speed of 20 ft/s and 35 ft/s, respectively. a. What will be their speeds after the collision? b. What is the change in total kinetic energy after collision? Please show the given, formula, figure, and free body diagram.

Two perfectly elastic balls, weighing 6 lbs and 4 lbs, approaching each other with a speed of 20 ft/s and 35 ft/s, respectively. a. What will be their speeds after the collision? b. What is the change in total kinetic energy after collision? Please show the given, formula, figure, and free body diagram.

Glencoe Physics: Principles and Problems, Student Edition

1st Edition

ISBN:9780078807213

Author:Paul W. Zitzewitz

Publisher:Paul W. Zitzewitz

Chapter9: Momentum And Its Conservation

Section: Chapter Questions

Problem 55A

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