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Physics, 19.06.2020 23:57 clinton1790

A stationary speed gun emits a microwave beam at 2.10*10^10Hz. It reflects off a car and returns 1030 Hz higher. What is the speed of the car?

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A stationary speed gun emits a microwave beam at 2.10*10^10Hz. It reflects off a car and returns 103...
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