russell540 russell540

Today at 9:07 PM
Law

Answered

If a train of freight cars, each 10 meters long, rolls by you at the rate of three cars each second.
What is the frequency of the train cars and the velocity?

Answer :

zayvxbes zayvxbes

Today at 9:12 PM

Answer:

30 m/s. speed = distance / time.

Explanation:

wavelength of a longitudinal wave is the distance between successive compressions or equivalently the distance between successive rarefactions. 30 m/s. speed = distance / time.

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