Question

A speed of 60 mph is equal to 88 per second. if sound travels at a speed of 1,100 ft per sec what is the speed of sound in miles

Answer 1

is that 88 ft / sec ?

Answer 2

yes

Answer 3

do dimensional analysis.

Answer 4

(1100 ft/s)(60s/hr)(1 mile/5280 ft)... cross out the units, answer should come out :
125 mph

Answer 5

nvm that can't be right hold on though.

Answer 6

found it. 3600 s in an hour not 60. duh.

Answer 7

(1100 ft/s)(3600s/hr)(1 mile/5280 ft)=750 mph