Find the speed of sound in air at 0 ∘C (1100 ft/s) in mph.

Question

Physics

Rodriguez

20 September, 14:04

Find the speed of sound in air at 0 ∘C (1100 ft/s) in mph.

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Cassius Rivas · Answer 1

We are already given the magnitude of the speed which is 1,100 ft/s. All we have to do is convert this to miles per hour. So, we have to know the conversion factor. Note that there are 5,280 ft in 1 mile, and 3,600 s in 1 hr. The solution is as follows:

(1,100 ft/s) (1 mile/5,280 ft) (3,600 s/1 h) = 750 mph