Classical Dynamics of Particles and Systems
5th Edition
ISBN: 9780534408961
Author: Stephen T. Thornton, Jerry B. Marion
Publisher: Cengage Learning
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A horizontal spring attached to a wall has a force constant of 720 N/m. A block of mass 1.90 kg is attached to the spring and oscillates freely on a horizontal, frictionless surface as in the figure below. The initial goal of this problem is to find the velocity at the equilibrium point after the block is released.
(a) What objects constitute the system, and through what forces do they interact?
(b) What are the two points of interest?
(c) Find the energy stored in the spring when the mass is stretched 6.40 cm from equilibrium and again when the mass passes through equilibrium after being released from rest.
| x = 6.40 | _____ J |
| x = 0 | ______J |
(e) Substitute to obtain a numerical value.
(f) What is the speed at the halfway point?
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