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Physics, 05.02.2020 08:50 ava9308

Apolice car on the side of the road (at rest) uses a radar gun to catch speeders as they approach it. the frequency the radar gun emits is 8 x 109 hz and the speed limit is 65 mi/hr. what is the difference in frequency of the emitted and returned radar wave

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Apolice car on the side of the road (at rest) uses a radar gun to catch speeders as they approach it...

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