Please answer the back of the chapter QUESTIONS: 2.13Q,
3.4Q, and this Physlet question:
The following animations represent the motion of a ball on various surfaces.
The "ghosts" are placed at equal time intervals.
Rank each case from highest to lowest acceleration
(assume constant a) based on the animations using the coordinate system
specified in the animations (the red arrow in each
animation). Please
indicate ties by: ( ).