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Discover Centripetal Force Kit
Model No. ME-9837
10
®
Velocity versus Radius
While maintaining the same hanging mass and spinning mass, students
find the corresponding velocity for different radii. A graph of Velocity
versus Radius should yield a graph with a relationship of
where k
3
is a constant.
Sample Data:
The following data is for a hanging mass of 500 g and a spinning mass
of 56 g (#10 stopper).
ν
k
3
r
=
radius (m)
m
h
(kg)
m
s
(kg)
V (m/s)
.2
.5
.056
3.8
.3
.5
.056
4.9
.4
.5
.056
5.8
.5
.5
.056
6.5
.6
.5
.056
7.1
.8
.5
.056
8.2