Question:
A block of mass m at the end of a string is whirled round in
Last updated: 6/26/2023
![A block of mass m at the end of a string is whirled round in](https://media.kunduz.com/media/sug-question-candidate/20211026030947561160-3925037.jpg?h=512)
A block of mass m at the end of a string is whirled round in a vertical circle of radius R The critical speed of the block at the top of its swing below which the string would slacken before the block reaches the top is a Rg b Rg c R g d Rg