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Mostafa91 Mostafa91
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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, such that the center of mass of the pair reaches a maximum height of 13.2 m above the point of release. On the way up, when the center of mass is at 6.6 m above to point of release, the velocity of one ball is measured to be 7.7 m/s straight downward. What is the velocity of the other ball at this time? Ignore air resistance.



▸

30.2 m/s up



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23.8 m/s up



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19.1 m/s up



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15.7 m/s up



▸

3.7 m/s up

Textbook 
College Physics

College Physics


Edition: 5th
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ydnam23ydnam23
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