The speed of sound in air at 20 degrees C is 343m/s. This corresponds to a speed of ____mi/hr.

To convert from one unit to another, just keep multiplying by 1

343m/s * 3600s/hr * mi/1609m = 767mi/hr

To convert the speed of sound in air from meters per second (m/s) to miles per hour (mi/hr), you can follow these steps:

Step 1: Convert meters to kilometers.
Since 1 kilometer is equal to 0.621371 miles:
343 m/s * (1 km / 1000 m) = 0.343 km/s

Step 2: Convert kilometers per second to kilometers per hour.
Since there are 3600 seconds in an hour:
0.343 km/s * (3600 s / 1 hr) = 1234.8 km/hr

Step 3: Convert kilometers per hour to miles per hour.
Since 1 kilometer is equal to 0.621371 miles:
1234.8 km/hr * (0.621371 mi / 1 km) = 767.67 mi/hr

Therefore, the speed of sound in air at 20 degrees C is approximately 767.67 mi/hr.