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Free Fall Lab - Starter t should the position vs. time graph look like for ect dropped from rest?

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Page 1: Free Fall Lab - Starter What should the position vs. time graph look like for an object dropped from rest? What should the position vs. time graph look

Free Fall Lab - StarterWhat should the position vs. time graph look like for an object dropped from rest?

Page 2: Free Fall Lab - Starter What should the position vs. time graph look like for an object dropped from rest? What should the position vs. time graph look

Free Fall Equations

1. vf = vi + at

2. yf = yi + (t/2)(vi +vf)

3. vf2 = vi

2 +2a(yf –yi)

4. yf = yi + vit + (1/2)at2

Free Fall a = -9.8 m/s2

Page 3: Free Fall Lab - Starter What should the position vs. time graph look like for an object dropped from rest? What should the position vs. time graph look

Equipment Setup

1st: Obtain a Vernier interface, power cord, USB cord, photogate, picket fence, and a stand with a universal clamp.

2nd: Plug the power cord from the interface and the wall outlet.

3rd: Plug the USB cord from the interface to the USB port on the computer.

4th: Plug the photogate into the interface at DIG 1.

5th: Start LOGGERPRO

6th: Load the experiment: File, Open, Physics with Vernier, 05 Picket Fence Free Fall

RETURN ALL EQUIPMENT AS YOU FOUND IT.

Page 4: Free Fall Lab - Starter What should the position vs. time graph look like for an object dropped from rest? What should the position vs. time graph look

Photogate Setup

After it passes through, catch it!

Don’t let it hit the ground.

Page 5: Free Fall Lab - Starter What should the position vs. time graph look like for an object dropped from rest? What should the position vs. time graph look

Free Fall Lab

A. Using a photogate and a picket fence, obtain a distance vs. time graph and a velocity vs. time graph for free fall.

B. For the distance vs. time graph, obtain a quadratic fit. From the fit equation, determine a value for the acceleration due to gravity, g. ( Two times the t2 coefficient.) Sketch your graph with the fit and equation.

C. For the velocity vs. time graph, obtain a linear fit. From the fit equation, determine a value for the acceleration due to gravity, g. ( The slope of the graph.)Sketch your graph with the fit and equation.

Page 6: Free Fall Lab - Starter What should the position vs. time graph look like for an object dropped from rest? What should the position vs. time graph look

Questions

A.Determine the percent error for each of your values for g.

B.Sketch an acceleration vs. time graph for your experiment.

Page 7: Free Fall Lab - Starter What should the position vs. time graph look like for an object dropped from rest? What should the position vs. time graph look

Lab Report Checklist

1.Starter2.Two Graphs3.Questions w/ 1 sketched graph4. Results Section – experimental g and percent error for each graph5. Summary

Page 8: Free Fall Lab - Starter What should the position vs. time graph look like for an object dropped from rest? What should the position vs. time graph look

EXIT

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