Physics, 19.02.2021 20:50 maddyclark19
An atom of a certain element has 36 protons, 36 electrons, and a mass number of 84. At room temperature, this element is a very stable gas. How many neutrons are in this atom?
Answers: 1
Physics, 21.06.2019 19:30
The 20@kg wheel has a radius of gyration about its center g of kg = 300 mm. when it is subjected to a couple moment of m = 50 n # m, it rolls without slipping. determine the angular velocity of the wheel after its mass center g has traveled through a distance of sg = 20 m, starting from rest.
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Physics, 21.06.2019 19:30
11. you want to calculate the displacement of an object thrown over a bridge. using -10 m/s2 for acceleration due to gravity, what would be the total displacement of the object if it took 8 seconds before hitting the water?
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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.
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Physics, 22.06.2019 09:00
When a light bulb shines, it gives off light energy and energy. a. heat b. potential c. chemical d. electrical
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An atom of a certain element has 36 protons, 36 electrons, and a mass number of 84. At room temperat...
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