Hans stands at the rim of the grand canyon and yodels down tothe bottom. He hear

Question

Hans stands at the rim of the grand canyon and yodels down tothe bottom. He hears his yodel echo back from the canyon floor 5.20s later. Assume that the speed of sound in air is 340.0 m/s. Howdeep ia the canyon at this location? The world speed record on water was set on October 8, 1978 byKen Warby of blowering dam, Australia. If Ken drove his motorboat adistance of 1000. m in 7.045 s, how fast hwas is boat moving a ) inm/s? b) in mi/h? that question has 2 answers A and B Hans stands at the rim of the grand canyon and yodels down tothe bottom. He hears his yodel echo back from the canyon floor 5.20s later. Assume that the speed of sound in air is 340.0 m/s. Howdeep ia the canyon at this location? The world speed record on water was set on October 8, 1978 byKen Warby of blowering dam, Australia. If Ken drove his motorboat adistance of 1000. m in 7.045 s, how fast hwas is boat moving a ) inm/s? b) in mi/h? that question has 2 answers A and B

Explanation / Answer

h = 340(5.2)/2 h = 884 ft
a) v= 1000/7.045 = 141.945 m/s b) v = 141.945(3.28)(3600)/5280     v = 317.522 mph

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