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# hw12 - irshad(si2865 – HW12 – distler –(57205 1 This...

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Unformatted text preview: irshad (si2865) – HW12 – distler – (57205) 1 This print-out should have 21 questions. Multiple-choice questions may continue on the next column or page – find all choices before answering. 001 10.0 points A harmonic wave y = A sin[ k x − ω t − φ ] , where A = 1 m, k has units of m − 1 , ω has units of s − 1 , and φ has units of radians, is plotted in the diagram below. +1 − 1 A (meters) x (meters) 6 12 18 At the time t = 0 Which wave function corresponds best to the diagram? 1. y = A sin bracketleftbiggparenleftbigg 2 π 9 m parenrightbigg x − ω t − parenleftbigg 1 π 3 parenrightbiggbracketrightbigg 2. y = A sin bracketleftbiggparenleftbigg 2 π 15 m parenrightbigg x − ω t − parenleftbigg 5 π 3 parenrightbiggbracketrightbigg 3. y = A sin bracketleftbiggparenleftbigg 2 π 9 m parenrightbigg x − ω t − parenleftbigg 4 π 3 parenrightbiggbracketrightbigg 4. y = A sin bracketleftbiggparenleftbigg 2 π 9 m parenrightbigg x − ω t − parenleftbigg 2 π 3 parenrightbiggbracketrightbigg 5. y = A sin bracketleftbiggparenleftbigg 2 π 9 m parenrightbigg x − ω t − parenleftbigg 5 π 3 parenrightbiggbracketrightbigg 6. y = A sin bracketleftbiggparenleftbigg 2 π 3 m parenrightbigg x − ω t − parenleftbigg 5 π 3 parenrightbiggbracketrightbigg 7. y = A sin bracketleftbiggparenleftbigg 2 π 15 m parenrightbigg x − ω t − parenleftbigg 2 π 3 parenrightbiggbracketrightbigg 8. y = A sin bracketleftbiggparenleftbigg 2 π 15 m parenrightbigg x − ω t − parenleftbigg 1 π 3 parenrightbiggbracketrightbigg 9. y = A sin bracketleftbiggparenleftbigg 2 π 3 m parenrightbigg x − ω t − parenleftbigg 4 π 3 parenrightbiggbracketrightbigg 10. y = A sin bracketleftbiggparenleftbigg 2 π 15 m parenrightbigg x − ω t − parenleftbigg 4 π 3 parenrightbiggbracketrightbigg 002 10.0 points A uniform disk of radius 2 . 2 m and mass 8 . 5 kg is suspended from a pivot 1 . 298 m above its center of mass. The acceleration of gravity is 9 . 8 m / s 2 ....
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hw12 - irshad(si2865 – HW12 – distler –(57205 1 This...

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