The velocity of sound in air is given by the equation v = 20 \sqrt{273 + t} where v is the velocity in meters per sec

Question

The velocity of sound in air is given by the equation
v = 20 \sqrt{273 + t}
where v is the velocity in meters per second and t is the temperature in degrees CelsiUS Find the temperature when the velocity of sound in air is 358 meters per second
Round to the nearest degree.

A. 6,681°C

B. 6,135°C

C. 502°C

D. 47°C​

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Julia 3 weeks 2021-12-30T22:00:03+00:00 1 Answer 0 views 0

Answers ( )

    0
    2021-12-30T22:01:21+00:00

    Answer:

    D. 47°C

    Step-by-step explanation:

    v = 358 m/s

    358 = 20√(273 + t)

    358 : 20 = √(273 + t)

    17.9 = √(273 + t)

    17.9^2 = 273 + t

    320.41 = 273 + t

    320.41 – 273 = t

    t = 47.41  ≈ 47

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45:7+7-4:2-5:5*4+35:2 =? ( )