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How long would it take the sound wave from a camera to return after bouncing off a tree if the subject is at a distance of 2.90 m away from the tree?
Wiki User
∙ 10y ago
This calculation can be done by thinking of the problem in terms of an equation. The speed of sound with an air medium is 1236km/hr, and the total distance needing to be traveled is 5.80 meters. Let's break down the 1236km/hr. This means that sound travels roughly 20.6km/minute. That's roughly 343 meters per second. It would take a sound less than .017 seconds to return to the point of origin.
Wiki User
∙ 10y ago
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How long would it take the sound wave from a camera to return after bouncing off a tree if the subject at a distance of 2.90 m away from the tree?
Divide the distance by the speed. For the distance, I guess you should take twice the distance (since the sound has to go back and forth). The speed of sound in air is about 330 m/s.
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