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Basile [38]
3 years ago
9

Sound and waves plz help physics

Physics
1 answer:
Veronika [31]3 years ago
4 0

Answer:

A. f = 8 Hz

B. T = 0.125 s

C. λ = 0.0166 m = 16.6 mm

D. d = 7.98 m

Explanation:

A.

The frequency of the wave can be given as:

f = \frac{n.\ of\ waves}{time}\\\\f = \frac{360}{45\ s}\\

<u>f = 8 Hz</u>

B.

The time period will be:

T = \frac{1}{f}\\\\T = \frac{1}{8\ Hz}\\

<u>T = 0.125 s</u>

C.

The wavelength is given as:

\lambda = \frac{c}{f}\\\\\lambda = \frac{0.133\ m/s}{8\ Hz}

<u>λ = 0.0166 m = 16.6 mm</u>

D.

The distance traveled in 1 minute can be found out as follows:

c = \frac{d}{t}\\\\d = c\ t\\d = (0.133\ m/s)(60\ s)

<u>d = 7.98 m</u>

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