A 3.1 kg blockwith a speed of 4.2 m/s collides with a 6.2 kg block that hasa speed of 2.8 m/s in the same direction. After the collision, the 6.2 kg block is observed to be traveling in the original direction with a speed of 3.5 m/s. (a) What is the velocity of the 3.1 kg block immediately after the collision? (b) By how nuch does the total kinetic energy of the systern of two blocks change because of the collision? (c) Suppose, instead, that the 6.2 kg block ends up with a speed of 5.6 m/s. What then is the change in the total kinetic energy? (a) Number Units (b) Number Units (c) Number Units
A 3.1 kg blockwith a speed of 4.2 m/s collides with a 6.2 kg block that hasa speed of 2.8 m/s in the same direction. After the collision, the 6.2 kg block is observed to be traveling in the original direction with a speed of 3.5 m/s. (a) What is the velocity of the 3.1 kg block immediately after the collision? (b) By how nuch does the total kinetic energy of the systern of two blocks change because of the collision? (c) Suppose, instead, that the 6.2 kg block ends up with a speed of 5.6 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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