PEARSON ETEXT ENGINEERING MECH & STATS
15th Edition
ISBN: 9780137514724
Author: HIBBELER
Publisher: PEARSON
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Chapter 15, Problem 5RP
The 200-g projectile is fired with a velocity of 900 m/s towards the center of the 15-kg wooden block, which rests on a rough surface. If the projectile penetrates and emerges from the block with a velocity of 300 m/s, determine the velocity of the block just after the projectile emerges. How long does the block slide on the rough surface, after the projectile emerges, before it comes to rest again? The coefficient of kinetic friction between the surface and the block is μk = 0.2.
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5. The 200-g projectile is fired with a velocity of 900 m/s towards the center of the 15-kg wooden
block, which rests on a rough surface. If the projectile penetrates and emerges from the block
with a velocity of 300 m/s, determine the velocity of the block just after the projectile emerges.
How long does the block slide on the rough surface, after the projectile emerges, before it comes
to rest again? The coefficient of kinetic friction between the surface and the block is μ = 0.2.
900 m/s
Before
After
300 m/s
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between the chain and the rough surface is 0.53, determine the velocity v of the chain when x = 2.8 m.
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Answer: v= i
2.8 m
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m/s
The 20-gg bullet is traveling at 400 m/sm/s when it becomes embedded in the 2-kgkg stationary block. The coefficient of kinetic friction between the block and the plane is μkμkmu = 0.2.
Determine the distance the block will slide before it stops.
Express your answer to three significant figures and include the appropriate units.
Chapter 15 Solutions
PEARSON ETEXT ENGINEERING MECH & STATS
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