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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
location?
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
location?
Expert's answer
The depth of a canyon is
H = 340.0[m/s]*5.20[s]/2 = 884 metres.
H = 340.0[m/s]*5.20[s]/2 = 884 metres.
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Comments
H is the depth of a canyon.
What is H stand for?
Because sound travels to the bottom of the canyon and back, whereas height is obviously this total distance divided by two.
why is it divided by two?
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