A block of mass m = 0.75 kg is pushed against a horizontal spring of negligible mass until the spring is compressed a distance x = 15 cm. The force constant of the spring is 450 N/m. When it is released, the block travels along a frictionless track except for a small portion between A and B of length d= 1.8 m that has .uk = 0.18. [Answer in 3 significant figures] Instretched

Principles of Physics: A Calculus-Based Text
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Author:Raymond A. Serway, John W. Jewett
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Chapter7: Conservation Of Energy
Section: Chapter Questions
Problem 5P: A block of mass 0.250 kg is placed on top of a light, vertical spring of force constant 5 000 N/m...
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How far the block will compress the spring after fall back from its maximum height?
A block of mass m = 0.75 kg is pushed against a horizontal spring of negligible mass until the spring
is compressed a distance x = 15 cm. The force constant of the spring is 450 N/m. When it is
released, the block travels along a frictionless track except for a small portion between A and B of
length d= 1.8 m that has .uk = 0.18. [Answer in 3 significant figures]
B
Friction region
d
A
Unstretched
position
k
mwww
Transcribed Image Text:A block of mass m = 0.75 kg is pushed against a horizontal spring of negligible mass until the spring is compressed a distance x = 15 cm. The force constant of the spring is 450 N/m. When it is released, the block travels along a frictionless track except for a small portion between A and B of length d= 1.8 m that has .uk = 0.18. [Answer in 3 significant figures] B Friction region d A Unstretched position k mwww
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