Physics, 14.07.2021 15:30 theh301234
Mộtchấtđiểmtăngtốctừ v0 =20m/sđạtđến v=80m/strênđườngthẳngvớigia tốc a = 45 m/s2. Khoảng thời gian thay đổi tốc độ đó là bao nhiêu?
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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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Mộtchấtđiểmtăngtốctừ v0 =20m/sđạtđến v=80m/strênđườngthẳngvớigia
tốc a = 45 m/s2. Khoảng thời gian...
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