Question

A small solid ball rolls down without slipping along sufficiently rough surface from A to B as shown in figure. The rotational kinetic energy of ball at point 'B' will be
1. 2/7 mgh
2. 3/14 mgh
3. 5/7 mgh
4. 5/14 mgh
​

Answer 1

Answer: 3/14mgh

Explanation:

Answer 2

4. 5/14 mgh

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