
Choose the best answer for each question. This activity is available below or in a printable version.
1. A rock is thrown off the top of a 250 m tall building with a horizontal velocity of 8.5 m/s. a. Complete the following table (you are not required to show work here):
x-direction |
y-direction |
|
initial velocity (v1) |
||
acceleration (a) |
b. How long does it take for the rock to reach the ground?
c. How far away from the base of the building does the rock hit the ground?
2. A bullet is shot horizontally out of a gun that is held 1.25 m above level ground. The bullet hits the ground 1250 m away from where the shooter is standing.
a. How long is the bullet in the air?
b. What was the initial horizontal velocity of the bullet?
![]()
Once you have finished answering the questions, submit your responses to the dropbox.