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Grade: 12th pass
        A small fraction of rope hangs from a frictionless table,if the length of rope is L, find the speed with which the rope will leave the table
2 years ago

Answers : (1)

Kartik
21 Points
							Let small part of chain hang be x and let this chain with small part move by dx so its potential energy is Mxg×dx/L integrate to give Mgx^2/2L  .Put limit from 0 to L and potential energy is MgL/2. So use energy conversation to get Mv^2/2=MgL/2 and v=(gl)^1/2
						
2 years ago
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  • Mind Map
  • Study Planner
  • NCERT Solutions
  • Discussion Forum
  • Previous Year Exam Questions


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