dis19-Oscillations II - elevator 1) accelerates up, 2)...

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The kinetic energy in an SHO goes up and down with time. Over a long time what is the average value of the kinetic energy in terms of A , the amplitude? A. 0 B. ½ kA 2 C. ¼ kA 2 D. 2 3 8 kA
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Which of the following statements about a driven oscillator is false ? A. At resonance the amplitude of oscillation versus frequency is largest B. At resonance the power transferred from the drive force to the oscillator is a maximum. C. At resonance the power dissipated in the oscillator is a minimum D. The frequency of the oscillation is the drive frequency, not the natural frequency.
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Discussion Problems Chapter 13 Q11, Q20, E/P 50, 58, 89, 97 Discussion Problems
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Question 13.11: What happens to the period of a pendulum if the
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Unformatted text preview: elevator 1) accelerates up, 2) moves up at steady speed 3) accelerates down A. increase, increase, decrease B. increase, same, decrease C. decrease, decrease, increase D. decrease, same, increase 13.50: What should be the radius of the hoop? A. 0.25 m B. 0.50 m C. 0.75 m D. 1.00 m E. 1.50 m 13.58: What is the damping coefficient? A. 0.022 kg/s B. 1.1 kg/s C. 0.35 kg/s cr-/ 1— 5.’ . ( <;% C .,-c F •i 1 — J ‘I 2 I ‘Th--, 50 •‘1 1’1 (4%-1--, +-& 5-‘ V N ‘1 )-5 f.’ 4 I’, ‘( t ‘I’ ‘4 V 4--4 r ‘-3 H •_4___ i3 1-‘ : )< q I’ ‘i ) w m ‘ Ii c ix ‘! _&_. 4N k tl-L f’J j cTj I...
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This note was uploaded on 09/13/2011 for the course PHYSICS 140 taught by Professor Evrard during the Spring '07 term at University of Michigan.

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dis19-Oscillations II - elevator 1) accelerates up, 2)...

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