Using a Digital Camera to Verify Quadratic Behavior
April 1999, Volume 92, Issue 4, Page 292
This activity presents practical difficulties, not the least of which is the proximity of a large amount of spraying water to the students marking the points on the wall. This difficulty can be circumvented by photographing the stream of water. In particular, the ability of many digital cameras to communicate electronically with personal computers simplifies the task of recording several coordinates of the stream of water.
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