MCQ answers 11-19 - C 13-1 C P = µ dy/dx dy/dt 13-2 A 13-3...

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Answers to Multiple Choice Questions 11-19 11-1: B 11-2: 3 fo = v/(v-vs) fs 11-3: 3 fo = (v + vo)/ v fs 11-4: B blowing wind from car to you: both you and car are moving with respect to the air. In frame of air, you are moving toward the car, and the car is moving away from you. fo = (vs + vw) / (vs + vw) fs = fs. Imagine you're on a boat, and someone is playing a note at the other end. Does the pitch you hear depend on the speed of the boat through the air? 11-5:
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Unformatted text preview: C 13-1: C P = µ dy/dx dy/dt 13-2: A 13-3: B 14-1: A 14-2: B 14-3: B 14-4: A 14-5: A 14-6: A (e.g., spherical waves) 16-1: C 16-2: C 16-3: B 16-4: this one is trickier than intended. T = z2/z1 (1+R) = z2/z1 in this case. If µ 1= µ 2, then z2/z1 = n1/n2, which is 1/tan(thetaB). This isn't one of the choices. 16-5: D 16-6: C 17-1: C 17-2: C 17-3: C 17-4: C 17-5: B 17-6: C 17-7: D 19-1: B 19-2: A 19-3: A 19-4: C 19-5: B, D 19-6: A 19-7: E 19-8: D 19-9: C...
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