Two baseballs from Prob. 7.68 are connected to a rod 7 mm in diameter and 56 cm

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Two baseballs from Prob. 7.68 are connected to a rod 7 mm in diameter and 56 cm long, as in Fig. P7.69
What power, in W, is required to keep the system spinning at 400 r/min? Include the drag of the rod, and assume sea-level standard air.

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Manufacturing Processes for Engineering Materials

ISBN: 978-0132272711

5th edition

Authors: Serope Kalpakjian, Steven Schmid

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Question Posted: Jan 16, 2010 05:20 AM

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Two baseballs from Prob. 7.68 are connected to a rod 7 mm in diameter and 56 cm

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28 Cn 28 cm CIm Baseball dl>Ω Baseball

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For sealevel air take 1225 kgm3 and 178E5 kgm s Assume a lami...View the full answer

Manufacturing Processes for Engineering Materials

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