Hooke's law describes an ideal spring. Many real springs are better described by the restoring force (FSp) = -kAs-q(As), where g is a constant. Consider a spring with k = 200 N/m and q = 750 N/m³. Y Part A How much work must you do to compress this spring 15 cm? Note that, by Newton's third law, the work you do on the spring is the negative of the work done by the spring. Express your answer with the appropriate units. ▸ View Available Hint(s) Submit W= Value ▾ Part B 0! HÅ ᎪᎳ . Units By what percent has the cubic term increased the work over what would be needed to compress an ideal spring? Express your answer as a percentage. ▸ View Available Hint(s) ΠΫΕΙ ΑΣΦΑ ? → ? %
Hooke's law describes an ideal spring. Many real springs are better described by the restoring force (FSp) = -kAs-q(As), where g is a constant. Consider a spring with k = 200 N/m and q = 750 N/m³. Y Part A How much work must you do to compress this spring 15 cm? Note that, by Newton's third law, the work you do on the spring is the negative of the work done by the spring. Express your answer with the appropriate units. ▸ View Available Hint(s) Submit W= Value ▾ Part B 0! HÅ ᎪᎳ . Units By what percent has the cubic term increased the work over what would be needed to compress an ideal spring? Express your answer as a percentage. ▸ View Available Hint(s) ΠΫΕΙ ΑΣΦΑ ? → ? %
University Physics Volume 1
18th Edition
ISBN:9781938168277
Author:William Moebs, Samuel J. Ling, Jeff Sanny
Publisher:William Moebs, Samuel J. Ling, Jeff Sanny
Chapter7: Work And Kinetic Energy
Section: Chapter Questions
Problem 30P: Suppose the ski patrol lowers a rescue sled and victim, having a total mass of 90.0 kg, down a 60.00...
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