# Picket fence free fall lab

## Picket fence free fall theory

Does the initial velocity of an object have anything to do with its acceleration? Time graph is nearly linear, save your data run. Is the acceleration varying as much as it first appears? Time graph and rescale the remaining two graphs to better fit your screen. The ULI Timer program will only hold one set of data at a time. How is this related to the shape of the distance vs. Sketch your prediction on paper. The results of this experiment were extremely consistent. Find the average acceleration from the trace values.

Sketch the graph on paper for later use. It is configured so that all you need to do is press "Start", drop the picket fence, press "Stop", and collect your data.

Tolerance of the measuring utility does not have much affect on error because the computer can record to many decimal placesdepending on how it gets set by the user. Once again, try to keep the Picket Fence as vertical as possible and release the Picket Fence before it enters the Photogate.

Compare your measurement to the generally accepted value of g from a textbook or other source. One way of stating the precision is to take half of the difference between the minimum and maximum values and use the result as the uncertainty of the measurement.

### Picket fence free fall sources of error

Compare your measurement to the generally accepted value of g from a textbook or other source. You will drop a piece of clear plastic with evenly spaced black bars on it, called a Picket Fence. Each equidistant black line on the picket fence passed through the gate in shorter and short time increments because it was accelerating resulting in the graphs used to collect the data. Hold the top of the Picket Fence and drop it through the Photogate, releasing it from your grasp completely before it enters the Photogate. This acceleration is usually represented with the symbol g. Is the acceleration varying as much as it first appears? This timing continues as all eight bars pass through the Photogate. How high will it go? You will drop a piece of clear plastic with evenly spaced black bars on it, called a Picket Fence. How about throwing the Picket Fence upward?

How would the associated acceleration vs. When quadratic fit was performed, the A value was 4. How is this related to the shape of the distance vs.

CLEAR to reset the 4.

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