A person driving at 17 m>s crosses the line connecting two radio transmitters at right angles, as

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A person driving at 17 m>s crosses the line connecting two radio transmitters at right angles, as shown in FIGURE 28-41. The transmitters emit identical signals in phase with each other, which the driver receives on the car radio. When the car is at point A, the radio picks up a maximum net signal.

(a) What is the longest possible wavelength of the radio waves?

(b) At what time after the car passes point A does the radio experience a minimum in the net signal? Assume that the wavelength has the value found in part (a).

In figure 28-41

v = 17 m/s -450 m- -150m-
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Physics

ISBN: 978-0321976444

5th edition

Authors: James S. Walker

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