anonymous
  • anonymous
Please help!!!!!! A solid ball of mass m = 40.1 g and radius r = 10.7 mm rolls without slipping through a loop of radius R = 46.5 cm, as shown in the figure. From what height h should the ball be launched in order to make it through the loop without falling off the track? http://www.flickr.com/photos/60996491@N03/5613965793/
Physics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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anonymous
  • anonymous
http://www.flickr.com/photos/60996491@N03/5613965793/in/photostream
anonymous
  • anonymous
1 Attachment
anonymous
  • anonymous
T-mg = 0 (mv^2)/r = mg => v² = gr PE = KE => mgh = ½mv² h = (½v²)/g h = (½gr)/g = (½r)

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