Apredicts that the strong, weak, and electromagnetic forces should become indistinguishable at high temperatures

Heena wants to measure the volume of a ball that is 24 cm across. how should she set up her equation?

Determine the age of a fossil if it had only one eighth of its original carbon-14 content remaining?

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.