Multiple Choice
When the outdoor emergency warning siren at Cheryl's school was tested, the sound from the siren took 7.0 s to reach her house located 2.40 km from the school. What is the speed of sound in air?
A) 240 m/s
B) 340 m/s
C) 440 m/s
D) 540 m/s
E) 640 m/s
Correct Answer:
Verified
Correct Answer:
Verified
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