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September 21, 2014

Homework Help: Science

Posted by Caroline on Tuesday, November 13, 2012 at 5:20pm.

1. A certain radar installation transmits electromagnetic radiation with a wavelength of 2.5 cm. What is the frequency of this radiation?

2. For the radar 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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