Question
Asked Jan 30, 2020
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The 480 gg bar is rotating as shown in (Figure 1).

You may want to review (Pages 271 - 274) .

 
Figure
1 of 1The figure shows a bar rotating around an axle in its midpoint with frequency of 120 revolutions per minute. The axle is perpendicular to the bar. The length of the bar is 2.0 meters.
 

Part A

What is the angular momentum of the bar about the axle?
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Expert Answer

Step 1

Given

Angular velocity ω = 120 rev/min

Length of the bar L = 2.0 m

Mass m = 480 g = 0.480 kg

Step 2

Solution

Moment of inertia of the bar

Physics homework question answer, step 2, image 1
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Step 3

Angular velo...

Physics homework question answer, step 3, image 1
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Angular Motion

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