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You really have a thing for screaming outside. So on a day where the speed of sound is 343 m/s you go outside and scream at a wall. It takes 0.5 s for you to hear your echo. How far away is the wall that
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You really have a thing for screaming outside. So on a day where the speed of sound is 343 m/s you go outside and scream at a wall. It takes 0.5 s for you to hear your echo. How far away is the wall that you screamed at?

User Yitong Zhou
by
7.9k points

1 Answer

8 votes
Speed = Distance/Time
Distance = Speed x Time
343 x 0.5 = 1/2 of 343
343 x 0.5 = 171.5
User Dgarbacz
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8.3k points
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