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
Meer Sairab , 8 Years ago
Grade 12th pass
1 Answers
Kartik
Last Activity: 8 Years ago
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
Provide a better Answer & Earn Cool Goodies
Enter text here...
LIVE ONLINE CLASSES
Prepraring for the competition made easy just by live online class.
Full Live Access
Study Material
Live Doubts Solving
Daily Class Assignments
Ask a Doubt
Get your questions answered by the expert for free