arjenndjdd2175 arjenndjdd2175
  • 04-11-2022
  • Physics
Answered

a roller coaster starts at rest from the top of a hill, coasts down, and then does a loop-the-loop of radius 12 mm . if the riders should feel weightless just at the top of the loop, at what height should the hill be? ignore friction. express your answer with the appropriate units.



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