Question

Use s = 20/273 +T to estimate the speed of sound sin meters per

second for each Celsius temperature T. Estimate square roots to the
nearest tenth.

22. 0°C
24. -10°C
( / is the square root sign thing )

Answer 1

22. The speed s = 330 meters per seconds

24. The speed s = 320 meters per seconds

Explanation:

* Lets explain how to solve the problem

- The equation s = 20√273 + T is used to estimate the speed of

sound in meter per second for each Celsius temperature T

- We will estimate square roots to the nearest tenth

* Lets solve the problem

22. T = 0° C

- Substitute the value of T in the equation by 0

∵ s = 20√273 + T

∴ s = 20√273 + 0

- The value of √273 is 16.5 to the nearest tenth

∴ s = 20(16.5) = 330 meters per seconds

∴ The speed s = 330 meters per seconds

24. T = -10° C

- Substitute the value of T in the equation by -10

∵ s = 20√273 + T

∴ s = 20√273 + (-10)

∴ s = 20(16.5) - 10 = 320 meters per seconds

∴ The speed s = 320 meters per seconds