Physics, 27.03.2021 01:20 haileyjones732
A machine with 75% efficiency does 3,300 J of work. Using the machine, how much work did you do?
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Arocket starts from rest and moves upward from the surface of the earth. for the first 10.0 s of its motion, the vertical acceleration of the rocket is given by ay = 12.80 m/s32t, where the +y-direction is upward. (a) what is the height of the rocket above the surface of the earth at t = 10.0 s? b) what is the speed of the rocket when it is 325 m above the surface of the earth?
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Physics, 22.06.2019 11:30
Achlorine atom has 17 protons and 18 neutrons. what is its mass number? what is its atomic number?
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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 14:40
How does an observation about an object differ from an inference about that object
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A machine with 75% efficiency does 3,300 J of work. Using the machine, how much work did you do?...
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