While playing with one of Dr. D’s latest devices Perry takes the device that has a mass of 1.75kg and uses it to compress a spring with an unknown stiffness k by 0.900m. The device is released from rest and slides across a horizontal rough spot 2.15m long with a coefficient of kinetic friction 0.625. The device then compresses a second spring with the same stiffness k by 0.450m. Find the stiffness of both springs.
While playing with one of Dr. D’s latest devices Perry takes the device that has a mass of 1.75kg and uses it to compress a spring with an unknown stiffness k by 0.900m. The device is released from rest and slides across a horizontal rough spot 2.15m long with a coefficient of kinetic friction 0.625. The device then compresses a second spring with the same stiffness k by 0.450m. Find the stiffness of both springs.
Classical Dynamics of Particles and Systems
5th Edition
ISBN:9780534408961
Author:Stephen T. Thornton, Jerry B. Marion
Publisher:Stephen T. Thornton, Jerry B. Marion
Chapter7: Hamilton's Principle-lagrangian And Hamiltonian Dynamics
Section: Chapter Questions
Problem 7.10P
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While playing with one of Dr. D’s latest devices Perry takes the device that has a mass of 1.75kg and uses it to compress a spring with an unknown stiffness k by 0.900m. The device is released from rest and slides across a horizontal rough spot 2.15m long with a coefficient of kinetic friction 0.625. The device then compresses a second spring with the same stiffness k by 0.450m. Find the stiffness of both springs.
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