rileymadsen589 rileymadsen589

27-10-2021
Chemistry

contestada

Using the formula velocity = distance/time, how fast does sound travel in air at 20 degrees C given a distance of 500 m and 3.92 seconds.

A- 3.92
B- 127 m/s
C- 2,941 m/s
D- 746 m/s

Respuesta :

joyceolaniyan joyceolaniyan

28-10-2021

Answer:

B : 127m/s

Explanation:

= 500 ÷ 3.92

= 127.5

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