Physics Projectile Motion

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Name:Lab Group 4
Date:10/26/2011
Partners: Kayla Stephens, Robin Poole, Megan McIlvoy
Grade:
Instructor: JPS

Name:Lab Group 4
Date:10/26/2011
Partners: Kayla Stephens, Robin Poole, Megan McIlvoy
Grade:
Instructor: JPS

Physics I Laboratory Worksheet
Lab 4: Projectile Motion
Objectives: Using a projectile gun on an incline plane, calculate the velocity of the steel ball at ten different distances, then find the average velocity. In order to find the velocity of the steel ball two different equations are needed. In order to find the velocity of the steel ball fired from the projectile gun on an inclined plane, the first equation must be manipulated and substituted into the second equation. Then use the average velocity to determine the distance of a projectile being released at a different angle. Physics Principles:

* Converting from centimeters to meters
* Trigonometric functions
* Quadratic formula:x=-b±b2-4ac2a
* Know how to get the derived formula:
Materials Needed:
* Projectile gun
* Projectile
* Incline paper
* Carbon paper
* 4 sheets of regular printing paper
* Tape Measure
* Calculator
* Pen
* Notebook paper
Pre-Lab exercise: Using the two formulas solve forv0.
Equation 1: x= v0xt(vox=v0cosθ)
x=v0cosθ(t)
t=xv0cosθ
Equation 2: y= y0+v0yt-12gt2(v0y=v0sinθ)
y= y0+v0sinθxv0cosθ-12gxv0cosθ2
y= y0+xsinθcosθ-12gx2v02cos2θ

Procedure:
1. Tape 4 sheets of carbon paper together portrait style, end to end. Tape 4 sheets of printing paper using the same portrait style. Then tape 4 sheets of regular printing paper behind the carbon paper. Make sure to adjust the bottom edge of the taped sheets so that the bottom touches the ground. 2. Next, assemble the projectile gun with the incline plane. The angle of the incline plane was placed at 35 degrees and make sure the wing is secure so that it will not slip. 3. Test fire the projectile gun and record the distance in centimeters...
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