14-58. The 50-lb block rests on the rough surface for which the coefficient of kinetic friction is µ = 0.2. A force F = (40 + s) Ib, where s is in ft, acts on the block in the direction shown. If the spring is originally unstretched (s = 0) and the block is at rest, determine the power developed by the force the instant the block has moved s = 1.5 ft. k = 20 lb/ft 30
14-58. The 50-lb block rests on the rough surface for which the coefficient of kinetic friction is µ = 0.2. A force F = (40 + s) Ib, where s is in ft, acts on the block in the direction shown. If the spring is originally unstretched (s = 0) and the block is at rest, determine the power developed by the force the instant the block has moved s = 1.5 ft. k = 20 lb/ft 30
Principles of Physics: A Calculus-Based Text
5th Edition
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter12: Oscillatory Motion
Section: Chapter Questions
Problem 10P: A 1.00-kg glider attached to a spring with a force constant of 25.0 N/m oscillates on a...
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