2 1.5.2 Test (CST): Computer-Scored Unit Test Question 23 of 25
Which of the following is an effect of the electric force?
A. Two south poles are attracted to one another.
B. Two north poles repel each other.
C. Two positive charges repel each other.
D. Two negative charges are attracted to one another.

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 solid that is formed and usually sinks to the bottom of a solution is the

Which statement is true if the refractive index of medium a is greater than that of medium b? a. total internal reflection is possible when light travels from air to medium b to medium a. b. total internal reflection is possible when light travels from medium a to medium b. c. total internal reflection is possible when light travels from medium b to medium a. d. total internal reflection is possible when light travels from air to medium a. e. total internal reflection is possible when light travels from air to medium b.