Physics, 06.07.2019 16:00, kataldaine
Sara was walking through a forest in hawaii. one thing that made an impression on her was the distinct absence of bird sounds. as she continued walking through the forest, sara wondered why she did not hear or see any birds. the scenario above is an example of how a. an observation can lead to a scientific question. b. a scientific question can lead to a prediction. c. a scientific question can lead to an observation. d. a prediction can lead to a scientific experiment.
Answers: 1
Physics, 22.06.2019 13:50, Geo777
Two students, each riding bicycles, start from the same apartment building and ride to the same building on campus, but each takes a different route. the first student rides 1100 m due east and then turns due north and travels another 1430 m before arriving at the destination. the second student heads due north for 1930 m and then turns and heads directly toward the destination. at the turning point, how far is the second student from the destination?
Answers: 3
Physics, 22.06.2019 23:00, aliyyahlove
Awelder using a tank of volume 7.50Ć10^-2 m^3 fills it with oxygen (with a molar mass of 32.0 g/mol ) at a gauge pressure of 3.30Ć10^5 pa and temperature of 37.1 āc. the tank has a small leak, and in time some of the oxygen leaks out. on a day when the temperature is 23.1 āc, the gauge pressure of the oxygen in the tank is 2.00Ć10^5 pa . a) find the initial mass of oxygen. b) find the mass of oxygen that has leaked out.
Answers: 3
Sara was walking through a forest in hawaii. one thing that made an impression on her was the distin...
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