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# Youre inside a metal building that blocks radio waves, but youre trying to make a call

ISBN: 9780134202709 403

## Solution for problem 28 Chapter 32

Essential University Physics | 3rd Edition

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Problem 28

Youre inside a metal building that blocks radio waves, but youre trying to make a call with your cell phone, which broadcasts at a frequency of 950 MHz. Down the hall from you is a narrow window measuring 35 cm wide. Whats the horizontal angular width of the beam (i.e., the angle between the first minima) from your phone as it emerges from the window?

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Vectors Position and displacement vectors Vector Addition and subtraction Velocity and acceleration vectors Multiplying vectors Vector and Scalar  Vector: a quantity that has both magnitude and direction  Scalar: a quantity that has only magnitude How to express a Vector:  Graphical: An arrow with a magnitude and directions  Components: a component...

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Youre inside a metal building that blocks radio waves, but youre trying to make a call

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