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22 December, 15:41

The velocity of sound in air is given by the equation v = 20 √273 + 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 369 meters per second. Round to the nearest degree.

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  1. 22 December, 16:14
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    273+t = 16.45^2

    t - 16.45^2-273

    t = - 2.4 degrees celsius v=20√ (273+t)

    329 = 20*sqrt (273+t)

    16.45 = sqrt (273+t)
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