How deep is the canyon if stone is dropped into it
A stone is dropped into a deep canyon and is heard to strike the bottom 4.48 s after release. How deep is the canyon? The speed of sound waves in air is 343 m/s and the acceleration of gravity is 9.8 m/s2.
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What is the difference between the rational and natural system and what is the goal of the closed and open system?
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The compound As2I4 is synthesized by reaction of arsenic metal with arsenic triiodide. If a solid cubic block of arsenic (d 5.72 g/cm3) that is 3.00 cm on edge is allowed to react with 1.01 1024 molecules of arsenic triiodide, what mass of As2
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How is a front office important to a hotel?Which department is most important to the success of the front office and why?How might the front office in a small- or medium-size hotel differ from the front office in a large-size hotel?
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