Station 1:
1. –
a) How much time to hit the ground?
b) Find the range.
c) Where is it after 2.0 sec?
50 m/s
490 m
2. A model rocket flies horizontally off the edge of the cliff at a velocity of
35.0 m/s. If the canyon below is 100.0 m deep…
a. How far from the edge of the cliff does the model rocket land?
b. What is the rocket’s impact velocity?
3. Describe the shape of a projectile’s path.
4. Which of the following quantities are vectors? Include all that apply.
a. distance
b. displacement
c. speed
d. mass
e. velocity
f. acceleration
g. time
5. Sketch the position/time (x/t) graphs illustrating the horizontal and the
vertical components of the projectile’s velocity.
Station 2:
6. How would changing the following variables affect the time in flight
and the range?
Time
Range
Increase the height
Double the Mass
Double the vi
7. A projectile is launched horizontally from the top of a 45.2-meter high
cliff and lands a distance of 17.6 meters from the base of the cliff.
a. Determine the magnitude of the launch velocity.
b. Solve for the impact velocity.
8. Which of the following statements are true of the horizontal motion of
projectiles? List all that apply.
a. A projectile does not have a horizontal velocity.
b. The horizontal velocity of a projectile changes by 9.81 m/s each second.
c. A projectile with a horizontal component of motion will have a constant
horizontal velocity.
d. The horizontal displacement of a projectile is dependent upon the time of
flight and the initial horizontal velocity.
e. The final horizontal velocity of a projectile is always equal to the initial
horizontal velocity.
9. An egg is thrown horizontally off the roof, which is 60 meters high,
with an initial velocity of 6.5 m/s.
a. How long does it take to hit the ground?
b. How far does it go in the x direction?
10. Sketch the acceleration/time (a/t) graphs illustrating the horizontal
and the vertical acceleration of the projectile.
Station 3:
11. A ball is kicked horizontally at 8.0 m/s from a cliff 80m high. How far
from the base of the cliff will the stone strike the ground?
12. What formula would you use to solve for the following variables?
a.
b.
c.
d.
e.
Range
Height
Time (for x and y)
Horizontal Velocity
Final Vertical Velocity
13. Which of the following statements are true of the vertical motion of
projectiles? List all that apply.
a.
b.
c.
d.
e.
f.
g.
The vertical component of a projectile's velocity is a constant value
of 9.81 m/s.
The vertical component of a projectile's velocity is constant.
The vertical component of a projectile's velocity is changing.
The vertical component of a projectile's velocity is changing at a
constant rate.
The magnitude of the vertical velocity of a projectile changes by 9.81
m/s each second.
The vertical velocity of a projectile is 0 m/s at the peak of its
trajectory.
The vertical acceleration of a projectile is 0 m/s2 when it is at the
peak of its trajectory.
14. If a projectile is launched horizontally with a speed of 12.0 m/s from
the top of a 24.6-meter high building.
a. Find the range.
b. Solve for the projectile’s impact velocity.
15. Sketch the velocity/time (v/t) graphs illustrating the horizontal and the
vertical components of a projectile’s velocity.