Problem 13.1 Blocks A and B are identical, and each have a mass of 10 kg. Block B is at rest when it is hit by block A which is moving with velocity VA = 6 m/s just before impact. Blocks A and B stick together after the impact. You may neglect friction during the impact. After the impact, the velocity of blocks A and B decreases due to friction. The coefficient of kinetic friction between all surfaces is μ = 0.20. Use conservation principles (including the system diagrams) to answer the following. (a) Determine the velocity of block A and B immediately after A hits B. (b) Determine the impulse exerted by block A on block B during the impact. (c) Determine the time required for the velocity of the blocks to drop to 1 m/s after the impact. (d) Determine the distance traveled by the blocks during this time interval.
Problem 13.1 Blocks A and B are identical, and each have a mass of 10 kg. Block B is at rest when it is hit by block A which is moving with velocity VA = 6 m/s just before impact. Blocks A and B stick together after the impact. You may neglect friction during the impact. After the impact, the velocity of blocks A and B decreases due to friction. The coefficient of kinetic friction between all surfaces is μ = 0.20. Use conservation principles (including the system diagrams) to answer the following. (a) Determine the velocity of block A and B immediately after A hits B. (b) Determine the impulse exerted by block A on block B during the impact. (c) Determine the time required for the velocity of the blocks to drop to 1 m/s after the impact. (d) Determine the distance traveled by the blocks during this time interval.
International Edition---engineering Mechanics: Statics, 4th Edition
4th Edition
ISBN:9781305501607
Author:Andrew Pytel And Jaan Kiusalaas
Publisher:Andrew Pytel And Jaan Kiusalaas
Chapter7: Dry Friction
Section: Chapter Questions
Problem 7.79P: The coefficient of rolling resistance between the 30-kg lawn roller and the ground is r=0.1. (a)...
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