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Experiment #4 – Projectile Motion
June 4, 2008
Erin Samplin
Group Member: Catie Destio
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View Full DocumentAbstract
–
The main purpose of this laboratory experiment is observe the motion of a projectile in
flight and investigate how R, range of projectile, and h, maximum height reached by the
projectile, vary with θ, the launch angle.
The experiment involves a projectile landing at
the same height from which it is launched. Students will also learn how to accurately use
a launcher and projectile.
Students measured the values of R and h.
Based on this data,
the value for initial velocity, V
o
, was calculated to be 292.56 cm/s.
Using this value,
students were able to calculate theoretical values for R and h to serve as a basis of
comparison.
Possible errors include gross error, systematic error, and random error.
Discussion
–
Diagram
Equations
The following equations will be used in this experiment:
R = [ V
o
2
sin2θ] / g
where R= range of projectile, V
o
= initial velocity, θ= launch angle, and g= acceleration
due to gravity, 9.81 m/s
2
.
h = [ (V
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 Summer '08
 GARUTHARA
 Projectile Motion, Light

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