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In the figure, two particles, each with mass m = 0.82 kg, are fastened to each other, and to a rotation axis at O, by two thin rods, each
with length d = 5.3 cm and mass M = 1.3 kg. The combination rotates around the rotation axis with angular speed w = 0.33 rad/s.
Measured about O, what is the combination's (a) rotational inertia and (b) kinetic energy?
M.
Rotation axis
(a) Number
i
.0332
Units
kg-m^2
(b) Number
0.00546
Units

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