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Physics, 21.06.2019 19:20
How would you place two electrons on a sphere of radius r so that the electrostatic potential energy is minimized. how would you place three electrons to solve the same problem.
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Physics, 21.06.2019 20:00
Spend time observing or thinking about events that involve matter and energy. which events can you explain? which events can’t you explain?
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Physics, 22.06.2019 00:30
Aball tossed vertically upward from the ground next to a building passes the bottom of a window 1.8 s after being tossed and passes the top of the window 0.20 s later. the window is 2.0 m high from top to bottom. what was the ball's initial velocity? the unit vector j^ is directed upward. how far is the bottom of the window from the launch position? how high does the ball rise above the launch position?
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Which particles do not affect the stability of the atom...
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