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Physics, 22.06.2019 13:40
What is the thinnest soap film (excluding the case of zero thickness) that appears black when illuminated with light with a wavelength of 480 ? the index of refraction of the film is 1.34, and there is air on both sides of the film. express your answer in nanometers. hint 1. how to approach th
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Physics, 22.06.2019 15:50
Select all the correct answers. which changes will increase the rate of reaction during combustion? decreasing the area of contact between the reactants adding more oxygen to the reaction removing heat from the reaction changing the reactants from solid form to powdered form lowering the exposure of the reactants to air
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Physics, 22.06.2019 16:00
The discovery of the electron as a subatomic particle was a result of
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Physics, 22.06.2019 23:30
Which of the following forces require physical contact? tension air resistance friction magnetic force applied force
Answers: 3
Mathematics, 21.04.2020 22:28
Mathematics, 21.04.2020 22:28
Mathematics, 21.04.2020 22:28
Mathematics, 21.04.2020 22:28
Chemistry, 21.04.2020 22:28
Mathematics, 21.04.2020 22:28
Chemistry, 21.04.2020 22:28