A physics teacher walks 4 meters East, 2 meters South, 4 meters West, and finally 2 meters North. What was their total distance traveled and displacement?

Electric field of the earth. the earth has a net electric charge that causes a field at points near its surface equal to 150 n> c and directed in toward the center of the earth. (a) what magnitude and sign of charge would a 60-kg human have to acquire to overcome his or her weight by the force exerted by the earth’s electric field? (b) what would be the force of repulsion between two people each with the charge calculated in part (a) and separated by a distance of 100 m? is use of the earth’s electric field a feasible means of flight? why or why not?

Most of the volume of an atom is occupied by the

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