A 1 kg mass is attached to a horizontal spring with stiffness 4 N/m. Initially, the spring is at rest. At time t = 0 an external force, measured in Newtons, F(t) = 3 cos(2t) is applied to the spring. The damping constant is zero. The function y(t) describes the displacement, measured in meters, of the mass from the rest position at time t measured in seconds. Choose all correct statements: a. y" + 4y = 3 cos(2t). O b._y" + 4y = 0. O c. The amplitude of the oscillations of y(t) is 3. Od. The system is at resonance.
A 1 kg mass is attached to a horizontal spring with stiffness 4 N/m. Initially, the spring is at rest. At time t = 0 an external force, measured in Newtons, F(t) = 3 cos(2t) is applied to the spring. The damping constant is zero. The function y(t) describes the displacement, measured in meters, of the mass from the rest position at time t measured in seconds. Choose all correct statements: a. y" + 4y = 3 cos(2t). O b._y" + 4y = 0. O c. The amplitude of the oscillations of y(t) is 3. Od. The system is at resonance.
Classical Dynamics of Particles and Systems
5th Edition
ISBN:9780534408961
Author:Stephen T. Thornton, Jerry B. Marion
Publisher:Stephen T. Thornton, Jerry B. Marion
Chapter3: Oscillations
Section: Chapter Questions
Problem 3.10P: If the amplitude of a damped oscillator decreases to 1/e of its initial value after n periods, show...
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