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# PLEASE HELP. THE ANSWER IS 5v/6 .I WANT THE SOLUTION . a disc of mass M and radius R is rolling purely with centre`s velocity v on a flat horizontal floor when it hits a step in the floor of height R/4. The corner of the step is sufficiently rough to prevent any slipping of the disc against itself. What is the velocity of the centre of the disc just after impact in terms of v?

Nirmal Singh.
7 years ago
Hello Devang please check answer is 5v/4. if yes please let me know i will give solution
Devang
33 Points
7 years ago
yesterday u solved it and got 36/34 v .... i was too getting same answer but. the.dc.pandey mechanics part 2 ..iitjee objectives ..no. 25 says that ans is 5/6 v.