21. In each case, choose sine or cosine (with the proper sign) for the equation of...
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21. • In each case, choose sine or cosine (with the proper sign) for the equation of motion that best describes the location (x) of a mass attached to a spring on a horizontal frictionless surface.
(a) The spring is stretched and released,
(b) the spring is compressed and released, and
(c) the mass is shoved outward (spring extension)
from equilibrium.
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Related Book For 
College Physics Essentials Electricity And Magnetism Optics Modern Physics Volume Two
ISBN: 9781032337272
8th Edition
Authors: Jerry D. Wilson, Anthony J. Buffa, Bo Lou
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