A sound is produced, echoes off a wall and returns to the source in 3.74 seconds. If the air temperature is 11C, how far
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A sound is produced, echoes off a wall and returns to the source in 3.74 seconds. If the air temperature is 11C, how far
A sound is produced, echoes off a wall and returns to the sourcein 3.74 seconds. If the air temperature is 11C, how far away is thewall? Express your answer in meters.