Physics, 25.03.2020 23:55 tessafargo
Parasaurolophus was a dinosaur whose distinguishing feature was a hollow crest on the head. The 1.5-m-long hollow tube in the crest had connections to the nose and throat, leading some investigators to hypothesize that the tube was a resonant chamber for vocalization. If you model the tube as an open-closed system, what are the first three resonant frequencies?
Answers: 1
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An isotope undergoes radioactive decay by emitting radiation that has a โ1 charge. what other characteristic does the radiation have?
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On mars a rock falls an unknown vertical distance from a resting position and lands in a crater. if it takes the rock 2.5 seconds to fall, how high is the cliff the rock fell from? mars' surface gravity is 3.8 m/s2.
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The gravitational force between pluto and charon is 3.61 ร 1018 n. pluto has a mass of 1.3 ร 1022 kg, which is only slightly greater than charonโs mass of 1.6 ร 1021 kg. how far apart are pluto and charon? 2.0 ร 107 m 2.4 ร 1012 m 3.8 ร 1014 m 5.8 ร 1024 m
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Parasaurolophus was a dinosaur whose distinguishing feature was a hollow crest on the head. The 1.5-...
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