Deriving the general equation for the time it takes the ball to drop from rest at vertical height, h, to reach the ground.

Lab 5: 2-D Kinematics and Projectile Motion

Pre-Lab Questions

1. predicting the velocity of the ball (vf )

2. Deriving the general equation for the time it takes the ball to drop from rest at vertical height, h, to reach the ground.

3. A general equation for the distance traveled by a projectile that is rolling off a table of height, h, with a horizontal speed, v0x.

Experiment 1: Distance Traveled by a Projectile

Data Tables and Post-Lab Assessment

Table 1: Range and Velocity of Projectile at Ramp Distance 1

Table 2: Range and Velocity of Projectile at Ramp Distance 2

Table 3: Range and Velocity of Projectile at Ramp Distance

Post-Lab Questions

1. Completing Table 4.

Table 4: Velocity and Range Data for all Ramp Distances

2. Comparison of predictions and observed data.

3. Firing a paintball pellet horizontally and dropping a paintball pellet

4. Marbles having twice their initial velocity

5. Description of the acceleration of the marble after it leaves the ramp.

Experiment 2: Squeeze RocketTM Projectiles

Data Tables and Post-Lab Assessment

Table 5: Projectile Data for Rockets with Different Launch Angles

Post-Lab Questions

1. Angle with greatest and least range

2. Role of air resistance

3. Additional sources of error

4. How could kickers on a football team use their knowledge of physics to better their game? List at least two other examples in sports or other applications where this information would be important or useful.

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