Physics, 01.02.2021 16:30 ngilliam1444

What is the main substance to need every planet, star , for his gravity

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Physics, 21.06.2019 22:30, franvelpaulino2191

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Physics, 22.06.2019 02:30, bellamore

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Physics, 22.06.2019 05:50, lola5683

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Physics, 22.06.2019 16:30, CadenSkinner2003

Place several e-field sensors at a few points on different equipotential lines, and look at the relationship between the electric field and the equipotential lines. which statement is true? 1-at any point, the electric field is perpendicular to the equipotential line at that point, and it is directed toward lines of higher voltages. 2-at any point, the electric field is perpendicular to the equipotential line at that point, and it is directed toward lines of lower voltages. 3-at any point, the electric field is parallel to the equipotential line at that point.

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What is the main substance to need every planet, star , for his gravity...