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April 25, 2014

Homework Help: biology

Posted by doranda on Wednesday, November 14, 2012 at 12:11am.

9. A certain radar installation transmits electromagnetic radiation with a wavelength of 2.5 cm. What is the frequency of this radiation?
10. For the radar in #9 above, how many seconds will it take for a signal to reach an airplane 15 km away, and return to the radar installation?

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