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P.p.s Using a sonic ranger for the coffee filter demo. is justified.
Bernard thinks computers, etc. are only justified when the experiment is
very difficult, impractical, or impossible with out. e.g. in the 50's I
spent an hour with an adjustable single channel analyzer determing a
gamma spectrum. Now it's a few minutes and with much higher resolution.
Anothe:r Moessbauer experiment would be difficult with out computer
operation (understatement). However, muon lifetime measurement is
easily done with out an MCA, etc.
Tina Fanetti wrote:
<The paper by
Heather Brasell showed that labs with motion detectors can be extreme=
ly
beneficial in helping students learn kinematics. <<
First, can I have reference?
What about in that time before when there were not motion detectors a=
nd fancy equipment? How did students learn then?
tina
Tina Fanetti
Physics Instructor
Western Iowa Technical Community College
4647 Stone Ave
Sioux City IA 51102
712-274-8733 ext 1429