a ring modulator has a carrier frequency of 400 Hertz in the modulator frequency of 6 Hertz determine the

Use the information presented in the graph to answer the questions. which segments show acceleration? which segment indicates that the object is slowing down? what is the velocity of segment b? what is the acceleration of segment b?

30 points - when can a theory be modified if a new type of technology allows for new observations that raise new questions? a. immediately, while the questions about the theory are being asked b. after new hypotheses related to the theory are tested in experiments c. only after the new observations disprove all parts of the theory d. while scientists begin to think about how the theory could improve

The direction of the current in an alternating current circuit remains constant. is direct. changes repeatedly. changes randomly.