The speed of sound at 0 degrees Fahrenheit is 1052.3 feet per second. For every degree of rise in temperature, the speed of sound increases by 1.1 feet per second. If the speed of sound is 1131.5 feet per second, then the temperature is _____ degrees Fahrenheit.
A)72
B)77
C)82
D)87

Question

Quizplus · Accepted Answer

The speed of sound increases by 1.1 feet per second for every degree of rise in temperature. So, if the speed of sound is 1131.5 feet per second, then the temperature is (1131.5 - 1052.3) / 1.1 = 72 degrees Fahrenheit.

The Speed of Sound at 0 Degrees Fahrenheit Is 1052