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Giancoli 7th Edition textbook cover
Giancoli's Physics: Principles with Applications, 7th Edition
22
Electromagnetic Waves
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22-1: B Produced by Changing E
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22-2: EM Waves
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22-3: Electromagnetic Spectrum
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22-4: Measuring the Speed of Light
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22-5: Energy in EM Wave
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22-6: Radiation Pressure
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22-7: Radio, TV
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Question by Giancoli, Douglas C., Physics: Principles with Applications, 7th Ed., ©2014, Reprinted by permission of Pearson Education Inc., New York.
Problem 21
Q

A student wants to scale down Michelson’s light-speed experiment to a size that will fit in one room. An eight-sided mirror is available, and the stationary mirror can be mounted 12 m from the rotating mirror. If the arrangement is otherwise as shown in Fig. 22–10, at what minimum rate must the mirror rotate?

Michelson’s speed-of-light apparatus (not to scale).
Figure 22-10.
A
9.8×106 rad/s9.8 \times 10^6 \textrm{ rad/s}
Giancoli 7th Edition, Chapter 22, Problem 21 solution video poster
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COMMENTS
By edtheear on Fri, 10/29/2021 - 2:02 AM

This doesn't match the book answer did I miss something about the radiance?

By Mr. Dychko on Mon, 11/1/2021 - 6:00 PM

Hi edtheear, thanks for the comment. What is the book answer you're seeing? Have you checked to make sure the units are the same? (rev/s versus rad/s)
All the best,
Shaun

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