What is the frictional force exerted on the 2kg-block when it is sliding? (b) What is the speed of the 2-kg block immediately after its being hit by the 1.5-kg block? (c) What was the speed of the 1.5-kg immediately before the collision?
What is the frictional force exerted on the 2kg-block when it is sliding? (b) What is the speed of the 2-kg block immediately after its being hit by the 1.5-kg block? (c) What was the speed of the 1.5-kg immediately before the collision?
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 17P
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5. A 1.5-kg block moves to the right and hit a 2-kg block that is initially at rest on a horizontal surface. After the collision, the 1.5-kg block slides to the left with a speed of -5 m/s, and the 2-kg block slides to the right for 7.5 m before coming to rest. The coefficient of kinetic friction between the block and the surface is 0.6. (a) What is the frictional force exerted on the 2kg-block when it is sliding? (b) What is the speed of the 2-kg block immediately after its being hit by the 1.5-kg block? (c) What was the speed of the 1.5-kg immediately before the collision?
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