Why does the water in a swimming pool stay cool on a hot, sunny day? because radiation has no effect on water
because of convection
because the pool is a good insulator
because the Sun's rays are reflected off of the pool's surface

You are about to open a container of soy milk but notice that there are instructions to “shake well before serving.” the soy milk is most likely a

Sort the images based on whether there's a force of attraction or repulsion between the magnets shown. attraction repulsion

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.