Question

A sound wave produced by a clock chime is heard 400 m away 2.0 s later. The sound wave has a frequency of 512 Hz. What is its period?

Answer 1

Answer:

$\frac{1}{512}$ seconds

Explanation:

T = 1 / f

    where T is the period and f is frequency.

Here the frequency is 512 Hz.

Using the formula:

                                  T = $\frac{1}{512}$ seconds