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A physical pendulum consists of an 85-cm-long, 240-g-mass, uniform wooden rod hung from a nail near one end. The motion is damped because of friction in the pivot; the damping force is approximately proportional to d0/dt. The rod is set in oscillation by displacing it 15 ° from its equilibrium position and releasing it. After 8.2 s , the amplitude of the oscillation has been reduced to 5.5 °. (Figure 1) Part A If the angular displacement can be written as 0 = Ae¯t cos w't, find y. Express your answer using two significant figures. ? Figure 1 of 1 s-1 Submit Request Answer Part B 85 cm If the angular displacement can be written as 0 = Ae¯t cos w't, find the approximate period of the motion. Express your answer using two significant figures. = 15° T = S

A physical pendulum consists of an 85-cm-long, 240-g-mass, uniform wooden rod hung from a nail near one end. The motion is damped because of friction in the pivot; the damping force is approximately proportional to d0/dt. The rod is set in oscillation by displacing it 15 ° from its equilibrium position and releasing it. After 8.2 s , the amplitude of the oscillation has been reduced to 5.5 °. (Figure 1) Part A If the angular displacement can be written as 0 = Ae¯t cos w't, find y. Express your answer using two significant figures. ? Figure 1 of 1 s-1 Submit Request Answer Part B 85 cm If the angular displacement can be written as 0 = Ae¯t cos w't, find the approximate period of the motion. Express your answer using two significant figures. = 15° T = S

College Physics
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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Constants I Periodic A physical pendulum consists of an 85-cm-long, 240-g-mass, uniform wooden rod hung from a nail near one end. The motion is damped because of friction in the pivot; the damping force is approximately proportional to d0/dt. The rod is set in oscillation by displacing it 15° from its equilibrium position and releasing it. After 8.2 s , the amplitude of the oscillation has been reduced to 5.5 °. (Figure 1) Part A If the angular displacement can be written as 0 = Ae¯t cos w't, find y. Express your answer using two significant figures. ? Figure 1 of 1 = Submit Request Answer Part B 85 cm If the angular displacement can be written as 0 = Ae¯ cos w't, find the approximate period of the motion. Express your answer using two significant figures. ? 15° T = S
Transcribed Image Text:Constants I Periodic A physical pendulum consists of an 85-cm-long, 240-g-mass, uniform wooden rod hung from a nail near one end. The motion is damped because of friction in the pivot; the damping force is approximately proportional to d0/dt. The rod is set in oscillation by displacing it 15° from its equilibrium position and releasing it. After 8.2 s , the amplitude of the oscillation has been reduced to 5.5 °. (Figure 1) Part A If the angular displacement can be written as 0 = Ae¯t cos w't, find y. Express your answer using two significant figures. ? Figure 1 of 1 = Submit Request Answer Part B 85 cm If the angular displacement can be written as 0 = Ae¯ cos w't, find the approximate period of the motion. Express your answer using two significant figures. ? 15° T = S
Constants I Periodic Table A physical pendulum consists of an 85-cm-long, 240-g-mass, uniform wooden rod hung from a nail near one end. The motion is damped because of friction in the pivot; the damping force is approximately proportional to de/dt. The rod is set in oscillation by displacing it 15 ° from its equilibrium position and releasing it. After 8.2 s , amplitude of the oscillation has been reduced to 5.5 °. (Figure 1) T = S Submit Request Answer the Part C Figure 1 of 1 > If the angular displacement can be written as 0 = Ae¯ cos w't, find how long it takes for the amplitude to be reduced to ; of its original value. Express your answer using two significant figures. ? 85 cm t = S Submit Request Answer = 15° < Return to Assignment
Transcribed Image Text:Constants I Periodic Table A physical pendulum consists of an 85-cm-long, 240-g-mass, uniform wooden rod hung from a nail near one end. The motion is damped because of friction in the pivot; the damping force is approximately proportional to de/dt. The rod is set in oscillation by displacing it 15 ° from its equilibrium position and releasing it. After 8.2 s , amplitude of the oscillation has been reduced to 5.5 °. (Figure 1) T = S Submit Request Answer the Part C Figure 1 of 1 > If the angular displacement can be written as 0 = Ae¯ cos w't, find how long it takes for the amplitude to be reduced to ; of its original value. Express your answer using two significant figures. ? 85 cm t = S Submit Request Answer = 15° < Return to Assignment
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