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Answer to Question #15510 in Mechanics | Relativity for Paige

Question #15510
Hans stands at the rim of the Grand Canyon and yodels down to the bottom.
He hears his yodel echo back from the canyon floor 5.20 s later. Assume that
the speed of sound in air is 340.0 m/s. How deep is the canyon at this
Expert's answer
The depth of a canyon is

H = 340.0[m/s]*5.20[s]/2 = 884 metres.

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Assignment Expert
17.11.14, 15:43

H is the depth of a canyon.

17.11.14, 10:38

What is H stand for?

Assignment Expert
22.08.13, 15:59

Because sound travels to the bottom of the canyon and back, whereas height is obviously this total distance divided by two.

22.08.13, 08:57

why is it divided by two?

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