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10_12_More_Energy

# 10_12_More_Energy - 10/12 More Energy 0 0 0 0 0 0 0 0 Text...

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10/12 More Energy 0 Text: Chapter 6 Energy (Springs on Monday) 0 HW 10/11 “Vertical Circular” due Wed 10/15 0 Presentation 0 Exam II Thursday Oct. 18 5-7 PM Wit 116 0 Practice Exam II on web and Wit 213 0 Suggested problems: 6-41, 42, 43 0 Peer Guides see me about paperwork 0 Kadon H. in ULC M,T,R 10-11 Rm 201J

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Ugly Giant’s Sock in the Clothes Dryer The dryer rotates at constant speed and a sock inside falls off the wall at the location shown. The radius is 0.32m and the mass of the sock is 2kg. At what period, T, does the dryer rotate to make this happen? Constant speed 70 ° Well… Let’s take a “conceptual” look at the issue.
N=5 Draw FBD’s of the sock at each location at three different rotation speeds. g = 10N/kg A C B Fast A C B medium A C B Slow Point A Point B Acceleration arrows are red, W=20N W=20N W=20N W=20N W=20N W=20N W=20N W=20N W=20N N=25 N=20 N=15 N=11 N=6 N=0 N=1 ? f f f f f f F net =N A F net =N B +W Y 14 14 14 F net =N C +W Point C f=0 f=0 f=0

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Ugly Giant’s Sock in the Clothes Dryer
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