Physics, 02.08.2019 00:30 quinteroalex2001
Two masses are connected by a string which passes over a pulley with negligible mass and friction. one mass hangs vertically and one mass slides on a frictionless 30.0-degree incline. the vertically hanging mass is 6.00 kg and the mass on the incline is 4.00 kg. the acceleration of the 4.00-kg mass is
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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.
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Physics, 22.06.2019 06:30
How much force was applied to an object if was moved 2 meters and the work done on the object was 8 joules? a. 0.25 n b. 4 n c. 6 n d. 16 n
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Physics, 22.06.2019 12:30
Consider a hydrogen atom in the ground state. what is the energy of its electron? =e= jj now consider an excited‑state hydrogen atom. what is the energy of the electron in the =5n=5 level? =e5= j
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Physics, 22.06.2019 14:30
What was the first instrument to ever record an earthquake?
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Two masses are connected by a string which passes over a pulley with negligible mass and friction. o...
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