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Physics, 21.06.2019 17:30
What produces light and all other electromagnetic waves? a) the photoelectric phenomena b) heated metals c) charged particles d) radioactive samples (pls explain if you can : )
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Physics, 22.06.2019 23:00
Awelder using a tank of volume 7.50Γ10^-2 m^3 fills it with oxygen (with a molar mass of 32.0 g/mol ) at a gauge pressure of 3.30Γ10^5 pa and temperature of 37.1 βc. the tank has a small leak, and in time some of the oxygen leaks out. on a day when the temperature is 23.1 βc, the gauge pressure of the oxygen in the tank is 2.00Γ10^5 pa . a) find the initial mass of oxygen. b) find the mass of oxygen that has leaked out.
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Physics, 23.06.2019 01:30
Which statements did both aristotle and ptolemy assume? check all that apply.
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Physics, 23.06.2019 06:30
If you held a stone over the mouth of a well and then let it go , what would happen to the stone? explain your answer.
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Mathematics, 12.11.2020 23:10
Mathematics, 12.11.2020 23:10
Health, 12.11.2020 23:10
Geography, 12.11.2020 23:10
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Mathematics, 12.11.2020 23:10
Mathematics, 12.11.2020 23:10
English, 12.11.2020 23:10