An object is placed at 0 on a number line. It moves 3 units to the right, uden 4 units to the left, and then 6 units to the right. What is the displacement of the object? A. 1
B. 5
C. 7
D. 13

Aria drove to the store, did some shopping, and then came home. during maria's trip, when was her displacement equal to zero?

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?

Acalorimeter uses the principle that thermal energy flows from hotter material to colder material until both reach the same