Tuesday
July 22, 2014

Homework Help: science

Posted by Melody on Wednesday, February 13, 2008 at 10:55pm.

A radio acoustic sounding system (RASS) instrument uses 404-MHz radio waves (wavelength = 0.743 m).
(a) What is the wavelength of the sound waves used to measure air temperature?
= ___ m

(b) If the Doppler shift of the radio wave reflected from a region several hundred meters above the ground indicates a sound speed of 330 m/s, what is the air temperature?
T = ___K

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