Physics, 30.04.2021 19:20 aliyahgregory

7. It takes 1 second to hear the reflection of a loud noise made in front of a large barrier. If the speed of sound in air is 340 m/s, how far away is the barrier?
A. 85 m
B. 170 m
C. 340 m
D. 680 m

Answers: 1

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More questions: Physics Another questions

7. It takes 1 second to hear the reflection of a loud noise made in front of a large barrier. If the speed of sound in air is 340 m/s, how far away is the barrier? A. 85 m B. 170 m C. 340 m D. 680 m

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Another question on Physics

7. It takes 1 second to hear the reflection of a loud noise made in front of a large barrier. If the speed of sound in air is 340 m/s, how far away is the barrier?
A. 85 m
B. 170 m
C. 340 m
D. 680 m