If on a Given Day the Speed of Sound Increases

question 66

Multiple Choice

If on a given day the speed of sound increases by 1.5% between 8:00am and 11:00am, and if the temperature at 8:00am was 21°C, what was the temperature at 11:00am?

• A) 21.6°C
• B) 21.3°C
• C) 25.4°C
• D) 29.9°C

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