February 28, 2017

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?

Answer This Question

First Name:
School Subject:

Related Questions

More Related Questions