A woman is standing 85 m from her apartment building. If she lives on the 5th floor, approximately 17.5 m above the ground, at what angle would she have to look up to see her cat in the window?

Which fators influence ocean currents

Why do astronauts in the space shuttle weigh less?

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.