lecture27 - University of British Columbiamav/Phys157old/lecture27.pdf · 2018. 11. 7. ·...

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Transcript of lecture27 - University of British Columbiamav/Phys157old/lecture27.pdf · 2018. 11. 7. ·...

Page 1: lecture27 - University of British Columbiamav/Phys157old/lecture27.pdf · 2018. 11. 7. · Microsoft PowerPoint - lecture27 Author: mav06 Created Date: 11/7/2018 11:01:06 AM ...
Page 2: lecture27 - University of British Columbiamav/Phys157old/lecture27.pdf · 2018. 11. 7. · Microsoft PowerPoint - lecture27 Author: mav06 Created Date: 11/7/2018 11:01:06 AM ...
Page 3: lecture27 - University of British Columbiamav/Phys157old/lecture27.pdf · 2018. 11. 7. · Microsoft PowerPoint - lecture27 Author: mav06 Created Date: 11/7/2018 11:01:06 AM ...
Page 4: lecture27 - University of British Columbiamav/Phys157old/lecture27.pdf · 2018. 11. 7. · Microsoft PowerPoint - lecture27 Author: mav06 Created Date: 11/7/2018 11:01:06 AM ...
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Page 6: lecture27 - University of British Columbiamav/Phys157old/lecture27.pdf · 2018. 11. 7. · Microsoft PowerPoint - lecture27 Author: mav06 Created Date: 11/7/2018 11:01:06 AM ...

A plot of displacement (in cm) as a function of time (in s) is shown above. What are the period and amplitude of this simple harmonic motion?

A) T = 1s, A = 2cmB) T = 2s, A = 2cmC) T = 4s, A = 2cmD) T = 2s, A = 1cmE) T = 4s, A = 1cm

Page 7: lecture27 - University of British Columbiamav/Phys157old/lecture27.pdf · 2018. 11. 7. · Microsoft PowerPoint - lecture27 Author: mav06 Created Date: 11/7/2018 11:01:06 AM ...

A plot of displacement (in cm) as a function of time (in s) is shown above. What are the period and amplitude of this simple harmonic motion?

A) T = 1s, A = 2cmB) T = 2s, A = 2cmC) T = 4s, A = 2cmD) T = 2s, A = 1cmE) T = 4s, A = 1cm

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A plot of displacement (in cm) as a function of time (in s) is shown above. Which function below describes this motion?

A) x(t) = cos(t)B) x(t) = cos(4t)C) x(t) = cos(2 π t)D) x(t) = cos(π t)E) x(t) = cos(π/2 t)

Page 9: lecture27 - University of British Columbiamav/Phys157old/lecture27.pdf · 2018. 11. 7. · Microsoft PowerPoint - lecture27 Author: mav06 Created Date: 11/7/2018 11:01:06 AM ...
Page 10: lecture27 - University of British Columbiamav/Phys157old/lecture27.pdf · 2018. 11. 7. · Microsoft PowerPoint - lecture27 Author: mav06 Created Date: 11/7/2018 11:01:06 AM ...

Simple Harmonic Motion

A.

B.

C.

D.

E.

A plot of displacement as a function of time is shown above. Which of the diagrams to the right describes the velocity as a function of time for the same motion?

10Phys157

Page 11: lecture27 - University of British Columbiamav/Phys157old/lecture27.pdf · 2018. 11. 7. · Microsoft PowerPoint - lecture27 Author: mav06 Created Date: 11/7/2018 11:01:06 AM ...

Simple Harmonic Motion

A.

B.

C.

D.

E.

A plot of displacement as a function of time is shown above. Which of the diagrams to the right describes the velocity as a function of time for the same motion?

11Phys157

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Simple Harmonic Motion:A plot of upward velocity (in cm/s) as a function of time (in s) is shown above for a mass hanging from a spring. Which of the pictures best represents the situation at t=1.6s?

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Phys157

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Simple Harmonic Motion:A plot of upward velocity (in cm/s) as a function of time (in s) is shown above for a mass hanging from a spring. Which of the pictures best represents the situation at t=1.6s?

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Phys157

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The graph shows a displacement x(t) = Acos(ωt). Adding a small positive phase x(t) = Acos(ωt + φ) will

A) Shift the graph to the right B) Shift the graph to the leftC) Squish the graph so the peaks are closer togetherD) Stretch the graph so the peaks are further apartE) Both A and C

Page 16: lecture27 - University of British Columbiamav/Phys157old/lecture27.pdf · 2018. 11. 7. · Microsoft PowerPoint - lecture27 Author: mav06 Created Date: 11/7/2018 11:01:06 AM ...

The graph shows a displacement x(t) = Acos(ωt). Adding a small positive phase x(t) = Acos(ωt + φ) will

A) Shift the graph to the right B) Shift the graph to the leftC) Squish the graph so the peaks are closer togetherD) Stretch the graph so the peaks are further apartE) Both A and C

Page 17: lecture27 - University of British Columbiamav/Phys157old/lecture27.pdf · 2018. 11. 7. · Microsoft PowerPoint - lecture27 Author: mav06 Created Date: 11/7/2018 11:01:06 AM ...