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KINGBEA143IN
Answered

a sound wave is receive after 2.0s after it was emitted. The speed of the sound wave is 917 m/s. How far is the source of the sound wave?​

Sagot :

JANE884IN

Answer:

Velocity of sound wave v=339 ms

−1

Wavelength of the waves λ=1.5 cm =0.015 m

∴ Frequency of the waves ν=

λ

v

=

0.015

339

=22.6 kHz

Audible frequency range for human ear lies between 20 Hz to 20 kHz

Thus this waves is not audible.

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