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Physics
Physics
Problem
A thin spherical shell of mass
0.40
kg
0.40\,\text{kg}
0.40
kg
and radius
0.20
m
0.20\,\text{m}
0.20
m
possesses rotational kinetic energy
5.0
J
5.0\,\text{J}
5.0
J
. Determine its angular speed. a)
39.5
rad s
−
1
39.5\,\text{rad s}^{-1}
39.5
rad s
−
1
b)
25.0
rad s
−
1
25.0\,\text{rad s}^{-1}
25.0
rad s
−
1
c)
30.6
rad s
−
1
30.6\,\text{rad s}^{-1}
30.6
rad s
−
1
d)
21.7
rad s
−
1
21.7\,\text{rad s}^{-1}
21.7
rad s
−
1
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