Two cars leave calgary at the same time, travelling in opposite directions. their average speeds differ by 5 km/h. after 2 h, they are 210 km apart. find the speed of each car.

What is the measure of how much matter is in an object and that can be measured using a balance? a. height b. volume c. weight d. mass

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.

Using gravity, an elephant can pull a mouse towards it from the ground. true or false explain why. will give brainliest if answered fast and the best explanation