The 3.0 k g object shown in the figure has a moment of inertia about the rotatio
ID: 2264404 • Letter: T
Question
The 3.0kg object shown in the figure has a moment of inertia about the rotation axis of 8.7 The 3.0kg object shown in the figure has a moment of inertia about the rotation axis of 8.7 The 3.0kg object shown in the figure has a moment of inertia about the rotation axis of 8.7 The 3.0kg object shown in the figure has a moment of inertia about the rotation axis of 8.7 The 3.0kg object shown in the figure has a moment of inertia about the rotation axis of 8.7 The 3.0kg object shown in the figure has a moment of inertia about the rotation axis of 8.7 The 3.0kg object shown in the figure has a moment of inertia about the rotation axis of 8.7 times 10?2kg?m2 . The rotation axis is horizontal.(Figure 1) When released, what will be the object's initial angular acceleration?Explanation / Answer
torque = I alpha
==> m g r cos25 = I alpha
==> alpha = m g r cos25/I
==> alpha = 3*9.8*0.17*25o/(8.7e-2)
==> alpha = 52 rad/s2
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