A7.8 kg block with a speed of 5.7 m/s collides with a 15.6 kg block that has a speed of 3.8 m/s in the same direction. After the collision, the 15.6 kg block is observed to be traveling in the original direction with a speed of 4.8 m/s. (a) What is the velocity of the 7.8 kg block immediately after the collision? (b) By how much does the total kinetic energy of the system of two blocks change because of the collision? (c) Suppose, instead, that the 15.6 kg block ends up with a speed of 7.6 m/s. What then is the change in the total kinetic energy? (a) Number Units (b) Number Units (c) Number Units
A7.8 kg block with a speed of 5.7 m/s collides with a 15.6 kg block that has a speed of 3.8 m/s in the same direction. After the collision, the 15.6 kg block is observed to be traveling in the original direction with a speed of 4.8 m/s. (a) What is the velocity of the 7.8 kg block immediately after the collision? (b) By how much does the total kinetic energy of the system of two blocks change because of the collision? (c) Suppose, instead, that the 15.6 kg block ends up with a speed of 7.6 m/s. What then is the change in the total kinetic energy? (a) Number Units (b) Number Units (c) Number Units
Principles of Physics: A Calculus-Based Text
5th Edition
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter8: Momentum And Collisions
Section: Chapter Questions
Problem 6OQ: A 2-kg object moving to the right with a speed of 4 m/s makes a head-on, elastic collision with a...
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