This graph most likely describes the potential energy and kinetic energy of a roller coaster going a) up a hill. b) down a hill. c) up a hill and then rolling back down the other side. d) down a hill and then rolling back up the other side.

Current enters a circuit at a: 1.positive terminal 2.negative terminal 3.low potential side 4.resistor

Which of the following is an example of motion in two dimensions?

Consider two regions of space containing a static electric field, region a and region b. in region a the equipotential lines are more closely spaced than those in region b. what can be said about the relative strength of the electric field in the two regions? a) the electric field in region a is stronger th