# PROJECTILE MOTION NOTES - SVUSD by yurtgc548

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```									PROJECTILE MOTION
PROJECTILE         MOTION   TUTORIAL

http://wps.aw.com/aw_knight_physics_1/0,8
722,1123675-content,00.html

3.6 Target Practice I (1)
DO the QUESTIONS and RECORD YOUR RESULTS:
1.
2.
3.
4.
Projectile Motion mini LAB
Purpose –
Projectile Motion mini LAB
Purpose – to carefully observe the motion of a
projectile and analyze the changes that
occur during that motion. From this, the
laws that govern projectile motion can be
developed.
Projectile Motion mini LAB
Purpose – to carefully observe the motion of a
projectile and analyze the changes that
occur during that motion. From this, the
laws that govern projectile motion can be
developed.

Procedure –
Projectile Motion mini LAB
Purpose – to carefully observe the motion of a
projectile and analyze the changes that
occur during that motion. From this, the
laws that govern projectile motion can be
developed.

Procedure – record the position of a projectile
along the X and Y axis’ at each time
interval.
DATA
Time       X (m)    Vx     Y (m) Vy (m/s)
Vid frms   (s)           (m/s)
0        0
Analysis
1. Plot the position of the object on a graph.
- Draw just like we did on the screen.
- Label axis’ Position (m)
- Number every other line by 0.1 m.
Analysis
1. Plot the position of the object on a graph.
- Draw just like we did on the screen.
- Label axis’ Position (m)
- Number every other line by 0.1 m.

2. Calculate Vx and Vy .
Analysis
1. Plot the position of the object on a graph.
- Draw just like we did on the screen.
- Label axis’ Position (m)
- Number every other line by 0.1 m.

2. Calculate Vx and Vy .

3. Draw the Vx velocity vectors at each position.
Analysis
1. Plot the position of the object on a graph.
- Draw just like we did on the screen.
- Label axis’ Position (m)
- Number every other line by 0.1 m.

2. Calculate Vx and Vy .

3. Draw the Vx velocity vectors at each position.

4. Draw the Vy velocity vectors at each position.
Conclusion
1. What happens to Vy from 0 sec to 0.5 sec ?

2. What happens to Vx from 0 sec to 0.5 sec ?

3. How would you describe the motion of a
horizontally thrown projectile?
a. Vertically
b. Horizontally
Projectile Motion
Projectile Motion

Vx
Projectile Motion

Vx is constant unless there is air resistance
Projectile Motion

Vx is constant unless there is air resistance

Vy
Projectile Motion

Vx is constant unless there is air resistance

Vy is constantly changing because the
object is undergoing negative acceleration
(-a)
EQUATIONS

∆x = vx • t        vx =    ∆x
t

Horizontal Launch          Up and Down

∆ y = ½ g • t2           ∆y = ½ g • ( t/2 )2

vy = g • t               vy = g • ( t/2 )

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