A car comes to a stop in 4 seconds from a velocity of 23 m/s. What is its acceleration? A) 5.75 m/s2
B) -5.75 m/s^2
C) 9.91 m/s^2
D) -9.91 m/s2

wire in brush may conduct electricity from cell to drill and vice versa electrc shock possible

molecules are free to separate from each other and will take on the shape of the container. molecules move completely at random and high speeds. they vibrate in a fixed position and do not move around much. molecules expand to the edge of their container.