Temperature cannot be considered a field since there are occasions where it is not possible to measure it with a thermometer. true or false?

An incident ray through the focal point of a spherical mirror will: reflect through the center of curvature. reflect back through the focal point. reflect parallel to the principle axis. reflect the same direction as the incident ray.

Acar moves a distance of 50.0 km west, followed by a distance of 64.9 km north what was the magnitude of the displacement of the car, in units of kilometers?

When an object is heated it contracts. a. true b. false