L40 - Remember:ThisWeek FCQ Do it on-line CAPA...

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Remember: This Week FCQ: Do it on-line. CAPA assignment #14 is due Friday evening at 10 PM, to be done on-line. Read: Ch. 11: Vibrations and Waves. Ch. 11.1-11.4, 11.7, 11.8, 11.11-11.13. Also Ch. 12.1 &12.4 on sound waves. FINAL EXAM: TWO WEEKS FROM THIS TODAY! Wednesday May 5, G1B20 & G1B30, 4:30 – 7:00 PM L40 W 4/21/10 1 Physics 2010
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L40 W 4/21/10 Physics 2010 2 Waves in Nature
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L40 W 4/21/10 Physics 2010 3 Simple Harmonic Oscillator F = ma = kx (Hooke's Law)
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L40 W 4/21/10 Physics 2010 4 A ball bounces up and down on a foor with perFectly elastic bounces, so that the ball bounces Forever. Is this an example oF simple harmonic motion? A) Yes The Force is constant, it’s not dependent on displacement.
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L40 W 4/21/10 Physics 2010 5 Simple Harmonic Oscillator F = ma = kx (Hooke's Law) Qualitative Comments: restoring force is proportional to displacement force is not constant, so acceleration isn’t either: a = -(k/m)x “amplitude” A is the maximum displacement x max , occurs with v = 0 mass oscillates between x = A & x = -A maximum speed v max occurs
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This note was uploaded on 08/24/2010 for the course PHYS 2010 taught by Professor Dubson during the Spring '06 term at Colorado.

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L40 - Remember:ThisWeek FCQ Do it on-line CAPA...

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