The graph below represents the motion of a car during a 6.0 second time interval. What is the displacement of the car between 4.0 s to 6.0 s?*
20 m
60 m
40 m
80 m

Waves that cause the most damage during an earthquake are a. surface waves c. s waves b. p waves d. ocean waves

Amoving electron has kinetic energy k1. after a net amount of work w has been done on it, the electron is moving one-quarter as fast in the opposite direction. (a) find w in terms of k1. (b) does your answer depend on the final direction of the electron's motion?

Acharge q experiences no net force at a particular point in space. which of the following situations described below must always be true? -there are no other charges nearby. -if there are other charges nearby, they must all have the same sign as q. -if there are other charges nearby, they must all have the opposite sign of q. -if there are other charges nearby, the total positive charge must equal the total negative charge. -none of the above