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A stone is dripped into the well 44 meter dip the spalash in heard in 3.12 s find speed of sound in air.

Sagot :

Numenius

Answer:

The speed of sound is 366.67 m/s.

Explanation:

height, h = 44 m

total time, T = 3.12 s

Let the time taken by the stone to hit the water is t.

use second equation of motion

[tex]h = u t + 0.5 gt^2\\\\44 = 0.5\times 9.8 t^2\\\\t = 3 s[/tex]

Time taken by sound to g up

t'=T - t =  3.12- 3 = 0.12 s

The speed of sound is

[tex]v = \frac{h}{t'}\\\\v = \frac{44}{0.12}\\\\v = 366.7 m/s[/tex]

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