12.
REASONING
The magnitude
F
c
of the centripetal force that acts on the skater is
given by Equation 5.3 as
2
c
/
F
mv
r
=
, where
m
and
v
are the mass and speed of the
skater, and
r
is the distance of the skater from the pivot. Since all of these variables
are known, we can find the magnitude of the centripetal force.
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- Spring '08
- SOFFER
- Force, Mass, REASONING The magnitude
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