1.Which of the five objects listed below have a constant acceleration? a) Oscillating pendulum, dynamics cart rolling up and down an incline, and student jumping into the air. b) Mass oscillating at the end of a spring, ball tossed into the air, and oscilating pendulum. c) Dynamics cart roling up and down an incline, student jumping into the air, and ball tossed into the air. d) Ball tassed into the air, oscillating pendulum, and dynamics cart rolling up and down an indline.

4. Consider a ball thrown straight upward. It moves up, changes direction, and fails back down, Ignore air resistance. Examine the graphs below. Which graph represents the position vs. time for the ball? Which graph represents the velocity vs. time for the ball? (lv) (Position vs. time (i), velocity vs. lime (#). Position va. time (if] velocity vs. time (iv). Position vs timo gil), velocity vs. time (] Position vs. time (H), velocity ve. time ()