Afireman of mass 80 kg slides down a pole. for the steps and strategies involved in solving a similar problem, you may view a video tutor solution. part a when he reaches the bottom, 4.2 m below his starting point, his speed is 2.2 m/s . by how much has thermal energy increased during his slide?

Inside of a windmill or a dam is a that is used to transform one type of energy into electrical energy. a. motor b. generator c. transformer d. power pack

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.

Why do different substances have diffrent properties