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Answers to Selected Problems - West Valley College

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Problem Sets Physics 4D<br />

A spaceship, moving away from Earth at a speed of 0.900c, reports back by transmitting at a frequency<br />

(measured in the spaceship frame) of 100 MHz. To what frequency must Earth receivers be tuned <strong>to</strong><br />

receive the report?<br />

*Answer(s)<br />

22.9 MHz<br />

Melvin J. Vaughn Page 26 of 61 <strong>West</strong> <strong>Valley</strong> <strong>College</strong>

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