History, 13.04.2021 03:00 brianna218208
1 pts
A wheel is made of four identical uniform rods extending radially from its center and a hoop welded
to the four rods (see the figure). The length and mass of each rod are 2 m and 2 kg, respectively. The
hoop's mass is 2 kg. When the wheel rotates at 142 rpm( revolutions per minute), what is its
rotational kinetic energy?
(Hint: the moment of inertia of a system of objects is the sum of the moments of inertia of all objects).
Answers: 1
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A wheel is made of four identical uniform rods extending radially from its center and a hoop...
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