AP DAY 9 HW:
2.
3) You drop ball A from a building. 1 second later you drop ball B. As time progresses, the difference in
their speeds
A) Increases
B) Remains Constant
C) Decreases
D) Cannot be determined
4) You drop ball A from a building. 1 second later you drop ball B. As time progresses, the distance
between them
A) Increases
B) Remains Constant
C) Decreases
D) Cannot be determined
5) Two balls are thrown straight up. The 1st ball is thrown with twice the initial speed as the second.
Ignore air resistance. How much higher will the 2nd ball rise?
a. Twice as far
b. Three times as far
c. Four times as far
d. Impossible to tell without knowing their exact speeds
6) How is motion in the negative x direction represented on a position vs time graph>
a. By a curve to the left of the origin
b. By a curve below the horizontal axis
c. By a downward sloping curve.
d. Cannot show this in a position graph.
7) A ball is thrown straight up, reaches a maximum height, and falls back to its initial height. As it
comes down, the velocity and acceleration both point down.
a. True
b. False
c. What
d. No, really. What?