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Projectile Motion - Analytical Physics I Laboratory | PHYS 124, Lab Reports of Physics

Material Type: Lab; Class: N/Analytical Physics I Lab; Subject: Physics; University: SUNY at Geneseo; Term: Unknown 1989;

Typology: Lab Reports

Pre 2010

Uploaded on 08/19/2009

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SUNY Geneseo Department of Physics and Astronomy
Analytical Physics I Laboratory (Phys 124) Equipment Photographs
Projectile Motion
This is the projectile launcher: a hollow
tube with a spring inside. It has 3 launch
speeds; use the fastest setting. Pull the
yellow string perpendicularly to the tube to
launch a shot.
The plumb bob shows you the launch
angle. The launcher will move around after
each lunch, so you’ll have to be careful to
reposition the launcher and verify the angle
before each shot.
Also, you need to make sure that your shot
trajectory is perfectly parallel to the chalk
board.
The inset shows the cannonball: they are
steel balls about 1 inch in diameter. Don’t
lose them!
To load the cannon, drop a ball in
the tube, and then push it down
all the way using the plastic
ramrod shown here. Push it all
the way in to get the fast setting.
pf2

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SUNY Geneseo Department of Physics and Astronomy Analytical Physics I Laboratory (Phys 124) Equipment Photographs

Projectile Motion

This is the projectile launcher: a hollow tube with a spring inside. It has 3 launch speeds; use the fastest setting. Pull the yellow string perpendicularly to the tube to launch a shot.

The plumb bob shows you the launch angle. The launcher will move around after each lunch, so you’ll have to be careful to reposition the launcher and verify the angle before each shot.

Also, you need to make sure that your shot trajectory is perfectly parallel to the chalk board.

The inset shows the cannonball: they are steel balls about 1 inch in diameter. Don’t lose them!

To load the cannon, drop a ball in the tube, and then push it down all the way using the plastic ramrod shown here. Push it all the way in to get the fast setting.

SUNY Geneseo Department of Physics and Astronomy Analytical Physics I Laboratory (Phys 124) Equipment Photographs

You’ll record the motion of the cannonball with a video camera, recording 30 frames each second.

If you combined all those frames, the result might look similar to the image seen here.

We’ll record the x and y position of the ball at each time, and use this data to compute the acceleration and initial velocity of the ball.

The large background grid will help you analyze the video, so you’ll want to determine their average size. Also, you’ll have to account for parallax somehow ( http://en.wikipedia.org/wiki/Parallax ).