How would you describe the amplitude of a wave using the words crest and trough?

Aball with a mass of 275 g is dropped from rest, hits the floor and rebounds upward. if the ball hits the floor with a speed of 2.40 m/s and rebounds with a speed of 1.70 m/s, determine the following. (a) magnitude of the change in the ball's momentum (let up be in the positive direction.)

Avoltaic cell converts chemical energy to

Which of the following are used in an electrochemical cell? a. electrodes b. electrolyte c. terminals d. all of the above