Electromagnetic force is present when electromagnetic fields a. become charged as they lose electrons. b. become stable as they come in contact with other forces. c. interact with charged particles. d. gain energy from other forces.

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?

The total amount of energy contained in an object

On mars a rock falls an unknown vertical distance from a resting position and lands in a crater. if it takes the rock 2.5 seconds to fall, how high is the cliff the rock fell from? mars' surface gravity is 3.8 m/s2. a. 9.5 m b. 11.9 m c. 15.2 m d. 23.8 m