# Physics Periodic waves: Calculating frequency and speed of train.

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Suppose that 15 boxcars on a freight train pass by in a time of 12.0 seconds and each has a length of 14.0 m.

(a) What is the frequency at which each boxcar passes?

(b) What is the speed of the train?

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The step by step analysis solves the problem. The frequency and speed of trains are calculated.

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Suppose that 15 boxcars on a freight train pass by in a time of 12.0 seconds and each has a length of 14.0 m.

(a) What is the frequency at ...

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