(a) A symphony is being broadcast live over the radio. There is a microphone at the center of the stage that picks up the sounds of the orchestra. A driver 100 km away is listening to the broadcast on a car radio. So is a symphony patron in the front row, 10 m from center stage. Compute how long it takes for the sound to reach each listener. Who hears the first note first?

College Physics
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Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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3 Time Delay
(a) A symphony is being broadcast live over the radio. There is a microphone at the center of the stage that picks up
the sounds of the orchestra. A driver 100 km away is listening to the broadcast on a car radio. So is a symphony
patron in the front row, 10m from center stage.
Compute how long it takes for the sound to reach each listener. Who hears the first note first?
(b) Two light pulses are emitted simultaneously from a single source. Both pulses travel to the same detector, but one
pulse travels in air the entire distance while the other travels through 2.0 m of ice (n = 1.309) along the way. What
is the difference in the arrival time of the two pulses?
Transcribed Image Text:3 Time Delay (a) A symphony is being broadcast live over the radio. There is a microphone at the center of the stage that picks up the sounds of the orchestra. A driver 100 km away is listening to the broadcast on a car radio. So is a symphony patron in the front row, 10m from center stage. Compute how long it takes for the sound to reach each listener. Who hears the first note first? (b) Two light pulses are emitted simultaneously from a single source. Both pulses travel to the same detector, but one pulse travels in air the entire distance while the other travels through 2.0 m of ice (n = 1.309) along the way. What is the difference in the arrival time of the two pulses?
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