A car initially traveling at 8.0 meter per second accelerates uniformly at a rate of 2.0 meter per second squared for 6.0 seconds. At the end of this time interval, the car traveled meters.

Astudent is given an assignment to demonstrate diffraction. he takes a photograph of a straw in a glass of water. the straw appears bent at the water level. which best describes this example? a) this is a good example of diffraction. b) this is an example of dispersion and not diffraction. c) this is an example of refraction and not diffraction. d) this is an example of reflection and not diffraction.

From 0 to 5 seconds john pushed a box 5 meters. from 5 to 10 seconds, paul pushed the same box another 5 meters. who did more work? a. john b. paul c. john and paul did the same amount of work.

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