03-07-2014
Physics

Answered

A sound wave of 70 cm travels 840 m in 2.5 sec. What is the velocity and frequency of sound?

Verified Answer :

03-07-2014

-- Speed = (distance) / (time to cover the distance) = 840/2.5 = 336 m/s

-- Frequency = (speed) / (wavelength) = 336/0.70 = 480 Hz.

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