Answers: 1
Physics, 21.06.2019 22:30
Astudent is given an assignment to demonstrate diffraction. he takes a photograph of a straw in a glass of water. the straw appears bent at the water level. which best describes this example? a) this is a good example of diffraction. b) this is an example of dispersion and not diffraction. c) this is an example of refraction and not diffraction. d) this is an example of reflection and not diffraction.
Answers: 3
Physics, 22.06.2019 10:00
Two objects of different mass start from rest, are pulled by the same magnitude net force, and are moved through the same distance. the work done on object 1 is 900 j. after the force has pulled each object, object 1 moves twice as fast as object 2. how much work is done on object 2?
Answers: 1
Physics, 22.06.2019 23:00
Awelder using a tank of volume 7.50×10^-2 m^3 fills it with oxygen (with a molar mass of 32.0 g/mol ) at a gauge pressure of 3.30×10^5 pa and temperature of 37.1 ∘c. the tank has a small leak, and in time some of the oxygen leaks out. on a day when the temperature is 23.1 ∘c, the gauge pressure of the oxygen in the tank is 2.00×10^5 pa . a) find the initial mass of oxygen. b) find the mass of oxygen that has leaked out.
Answers: 3
Physics, 23.06.2019 02:00
Estimate the magnitude of the electric field due to the proton in a hydrogen atom at a distance of 5.29×10 to the power of −11 m, the expected position of the electron in the atom.
Answers: 1
How much force does the 2.0 kg block exert on the 1.0 kg block?...
Advanced Placement (AP), 07.01.2021 23:10
Mathematics, 07.01.2021 23:10
Mathematics, 07.01.2021 23:10
Health, 07.01.2021 23:10
Mathematics, 07.01.2021 23:10
Mathematics, 07.01.2021 23:10
Mathematics, 07.01.2021 23:10
Mathematics, 07.01.2021 23:10
English, 07.01.2021 23:10
English, 07.01.2021 23:10
Chemistry, 07.01.2021 23:10
Business, 07.01.2021 23:10
Advanced Placement (AP), 07.01.2021 23:10