Question: Measuring Speed by Radar a baseball coach uses a radar device to measure the speed of an approaching pitched baseball. This device sends out electromagnetic

Measuring Speed by Radar a baseball coach uses a radar device to measure the speed of an approaching pitched baseball. This device sends out electromagnetic waves with frequency to and then measures the shift in frequency ∆f of the waves redacted from the moving baseball. If the fractional frequency shift produced by a baseball is ∆f/f0 = 2.86 x 10-7, what is the baseball's speed in km/h?

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