is a simple movement in which two opposing surfaces slide slightly back-and-forth or side-to-side with respect to one another.

What do you think car designers do if the damage caused by a crash test is too severe?

Select all of the following that are equal to an impulse of 20 unitsa) force= 5, time= 5.5b) force= 25, time= 0.8c) force= 0.1, time= 200d) force= 10, time= 2(its b, c, and d)(also in order to find answer they have to add to get the unit)ex= 25x.8=20 or .1x200=20

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