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Home Q & A Board Science-Related Homework Help Physics
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darla darla
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5 years ago

Figure 7.2a



A 5.7 m massless rod is loosely pinned to a frictionless pivot at 0. A 4.0 kg ball is attached to the other end of the rod. The ball is held at A, where the rod makes a 30° angle above the horizontal, and is released. The ball-rod assembly then swings freely in a vertical circle between A and B. In Figure 7.2a, the ball passes through C, where the rod makes an angle of 30° below the horizontal. The speed of the ball as it passes through C is closest to:

• 10.6 m/s

• 9.5 m/s

• 8.4 m/s

• 13.9 m/s

• 11.9 m/s
Textbook 
College Physics

College Physics


Edition: 10th
Authors:
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#1
5 years ago
10.6 m/s
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