# Physics

A state trooper’s car sends out a radar signal at a frequency of 14 GHz.
Find the wavelength of this signal. The wave speed is 2.998 × 108 m/s.
Answer in units of m

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1. speed= frequency*wavelength.

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2. wavelength = speed / frequency

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posted by R_scott
3. F = 14 GHz = 14*10^9 Hz = 14*10^9 cycles/second.
Wavelength = V/F = V * 1/F = 2.998*10^8 / 14*10^9 = meters.

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posted by henry2,

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