Discussion-21 - Waves Waves Discussion#21 Ch.16.1&16.4...

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aves Waves Discussion #21 – Ch. 16.1 & 16.4 Physics 125–Fall 2010 Dr. Mike Melnichuk [email protected] Office: 2409 Randall Lab [email protected] ffice Hours: 2:00 :00 / Mon & Tue Rm 1416 Randall Lab Office Hours: 2:00 – 4:00 / Mon. & Tue. in Rm. 1416 Randall Lab.
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Test #1 Your cousin Tom is playing with the clothesline. He unties one end, holds it taut, and wiggles the end up and down, executing simple harmonic motion with a frequency f 2.00 Hz and amplitude 0.075 m. The wave speed is v =12.0m/s.Att imet =0the of 2.00 Hz and amplitude 0.075 m. The wave speed is v 12.0 m/s. At time t 0 the end has maximum positive displacement and is instantaneously at rest. Write a function describing the traveling wave at position x and time t . Hint: figure out the amplitude (A), frequency (f) and wavelength ( λ ) first. ( ) A. ( , ) 0.2cos 12.6 1.05 ytx t x =− () B. ( , ) 0.075cos 12.6 1.05 t x C. ( , ) 0.075cos 12.6 3.3 t x ( ) D. ( , ) 0.075cos 8.4 1.05 t x
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Test #2–same problem Your cousin Tom is playing with the clothesline. He unties one end, holds it taut, and wiggles the end up and down, executing simple harmonic motion with a frequency
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This note was uploaded on 12/08/2011 for the course PHYSICS 125 taught by Professor Unknown during the Fall '08 term at University of Michigan.

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Discussion-21 - Waves Waves Discussion#21 Ch.16.1&16.4...

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