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ScienceForte ScienceForte
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3 weeks ago

A pair of identical balls are connected by a massless rod, and thrown straight up into the air. The velocity of the center of mass is initially 17.2 m/s upward. Precisely 1.0 s later, one of the balls is measured to be instantaneously at rest. What is the velocity of the other ball at this time? Ignore air resistance.



14.8 m/s up



9.8 m/s down



7.4 m/s up



7.4 m/s down

Textbook 
College Physics

College Physics


Edition: 5th
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gsh2571gsh2571
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3 weeks ago
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ScienceForte Author
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Good timing, thanks!
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Helped a lot
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