The 8.0-lb bar is pinned at its center O and connected to a torsional spring. The spring has a stiffness 4.6 lb-ft/rad, so that the torque developed is M = (4.60) lb-ft, where 0 is in radians. (Figure 1) Part A If the bar is released from rest when it is vertical at 0= 90°, determine its angular velocity at the instant = 0° Express your answer to three significant figures and include the appropriate units. LO A μÀ 5 ➜ ?

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A: Itis asked to explain how the state points 2, 2' and 1' are obtained

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A: 18)    Distance=4.2-0.66                   =3.54 in

Q: Please look at pic. Please help, I don't get part b. Thanks

A:

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Q: How can I calculate the force tho

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A:

Q: Can you show the work but written out please so I can see the steps better.

A:

Q: where do you get the form factor (y=.337) from? Please.

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A:

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Conservation of Energy

In physics, the rule of the conservation of energy states that energy doesn’t disappear from the atmosphere; instead, it changes its form from one type to another. Energy is one of the most important physical quantities in nature, and it cannot be created or destroyed — only transformed.