How many femtojoules (fJ) are in 57.6 joules (J)? Justify your answer.
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Which statement correctly describes the relationship between frequency and wavelength?

How many atoms of nitrogen are in the chemical formula ni(w on

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.