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Physics, 22.06.2019 05:00
Does work output exceed work input when a machine is used? a) yes, it does, as machines create energy. b) it depends on the type of machine used. c) no, it doesn’t, as machines are inefficient. d) no, it doesn’t, as machines cannot create energy.
Answers: 1
Physics, 22.06.2019 14:00
This is one type of line graph in which the independent variable is time plotted on the x axis and the dependent variable, also numerical, is plotted on the y axis.
Answers: 2
Physics, 22.06.2019 15:20
Aphoton is absorbed by an electron that is in the n = 3 state of a hydrogen atom, causing the hydrogen atom to become ionized. very far away from the nucleus, the released electron has a velocity of 750,000 m/s. what was the wavelength of the absorbed photon?
Answers: 2
Physics, 22.06.2019 15:40
If two parallel light rays hit a mirror, they will not be parallel to each other after they reflect.
Answers: 1
Mathematics, 12.03.2021 20:30
Mathematics, 12.03.2021 20:30
Geography, 12.03.2021 20:30
Mathematics, 12.03.2021 20:30
Mathematics, 12.03.2021 20:30
Mathematics, 12.03.2021 20:30
Physics, 12.03.2021 20:30
Mathematics, 12.03.2021 20:30
Mathematics, 12.03.2021 20:30
Mathematics, 12.03.2021 20:30