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The figure below gives the speed v versus time t for a 0.450 kg object of radius 6.40 cm that rolls smoothly down a 30° ramp. The scale on the velocity axis is set by Vs = 4.0 m/s. What is the rotational inertia
of the object?
kg • m2
Vs
0.2
0.4
0.6
0.8
1
t (s)
(s/w) A

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