Hw Solution #11

Hw Solution #11 - Bell, Evan Homework 10 Due: Mar 31 2005,...

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Unformatted text preview: Bell, Evan Homework 10 Due: Mar 31 2005, 11:00 pm Inst: Furlan 1 This print-out should have 11 questions. Multiple-choice questions may continue on the next column or page find all choices before answering. The due time is Central time. 001 (part 1 of 1) 10 points Consider the sinusoidal wave pictured in the figure. 6 m 1 m y x O Which of the following equations describes the wave. 1. y = (1 m) cos ( x + (6 m)) 2. y = (1 m) sin ( x- (6 m)) 3. y = (1 m) sin ( x + (6 m)) 4. y = (1 m) cos 2 x (6 m) 5. y = (1 m) sin x (6 m) 6. y = (1 m) cos ( x- (6 m)) 7. y = (1 m) sin 2 x (6 m) correct 8. y = (1 m) sin (2 x (6 m)) 9. y = (1 m) sin x (6 m) + 10. y = (1 m) cos (2 x (6 m)) Explanation: The most general form of the static sinu- soidal wave is y = A sin ( kx + ) which can be rewritten, y = A sin 2 x + where A = amplitude = wavelength = phase shift From the figure, one can see A = 1 m, = 6 m and = 0. Thus, y = (1 m) sin 2 x (6 m) is the only correct answer. 002 (part 1 of 1) 10 points 15 waves crash onto a beach every 43 . 6 s....
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Hw Solution #11 - Bell, Evan Homework 10 Due: Mar 31 2005,...

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