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You might want to open the experiment a bit and just ask what might
affect the period first. You could get a list of ideas from the
class….likely mass and amount of swing will come up. Then have
different groups test what does affect the period by looking at one
variable holding the others constant. Discuss why the others are held
constant. So large mass small mass with same length and amount of
swing. They quickly find the biggest influence is length. Then raise
the question of the pattern of that influence.
Best
Joe
Sent from my iPhone
On Mar 5, 2025, at 10:34 AM, Shahram Mostarshed via Phys-l <phys-l@mail.phys-l.org> wrote:
else
The idea here is to 'linearize' the graph, since it is easier to
measure the slope of a straight line, unless your question is about
something
(?)the
Shahram Mostarshed
Physics Instructor, Stanford OHS
On Wed, Mar 5, 2025 at 3:02 AM Anthony Lapinski via Phys-l <
phys-l@mail.phys-l.org> wrote:
I might try a pendulum lab in my (high school) class when I teach
about waves. Will have them time the swings, change the length, and
determine
go onperiod. Why are most graphs online for this period squared vs length?
(slope = 4pi^2/g) Since length is the independent variable, it
should
g/4pi^2the y-axis - plot length vs period squared. Then the slope would be
- in m/s^2). Is there some historical tradition here, or am I_______________________________________________
missing something simple?
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Forum for Physics Educators
Phys-l@mail.phys-l.org
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_______________________________________________
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