cw21 - 10 8 m / s 5 . 5 GHz 1 GHz 10 6 Hz = . 0545091 m ....

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patel (kp9583) – CW21 – Mackie – (20211) 1 This print-out should have 2 questions. Multiple-choice questions may continue on the next column or page – fnd all choices beFore answering. 001 10.0 points A state trooper’s car sends out a radar signal at a Frequency oF 5 . 5 GHz. ±ind the wavelength oF this signal. The wave speed is 2 . 998 × 10 8 m / s. Correct answer: 0 . 0545091 m. Explanation: Let : f = 5 . 5 GHz , and c = 2 . 998 × 10 8 m / s . λ = c f = 2 . 998
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Unformatted text preview: 10 8 m / s 5 . 5 GHz 1 GHz 10 6 Hz = . 0545091 m . keywords: 002 10.0 points Andrea was watching her brother in the ocean and noticed that the waves were coming into the beach at a Frequency oF 1 . 09091 Hz. How many waves hit the beach in 11 s? Correct answer: 12 waves. Explanation: Let : f = 1 . 09091Hz and t = 11 s . n = p 1 . 09091 waves s P (11 s) = 12 waves ....
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