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.