When a pendulum is at maximum displacement, which statement is true? a. the potential energy is at its greatest point. b. the potential energy is at its lowest point. c. the amplitude is at its lowest point. d. the frequency is at its greatest point.

The optimistic view of human nature held by supporters of the humanistic perspective led to more positive views of human nature throughout the field of psychology. t or f?

At very high pressures, gases become and will eventually a) more dense; become hotter b) more dense; change to a liquid or solid c) less dense; combust d) less dense; turn into a liquid

How does the electric potential energy between two charged particles change if one particle is reduced by a factor of 3? a. increased by a factor of 3 b. it is decreased by a factor of 9 c. it is reduced by a factor of 3 d. it is increased by a factor of 9