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ScienceForte ScienceForte
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5 months 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.



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14.8 m/s up



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9.8 m/s down



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7.4 m/s up



▸

7.4 m/s down

Textbook 
College Physics

College Physics


Edition: 5th
Author:
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gsh2571gsh2571
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5 months ago
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5 months ago
Thanks
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