Question:
A body of m kg slides from rest along the curve of vertical circle from point A to B in friction less path. The velocity of the body at B is :
(1) 19.8 m/s 
(2) 21.9 m/s 
(3) 16.7 m/s
(4) 10.6 m/s
                                                         JEE -2024
Solution:                
A body of m kg slides from rest along the curve of vertical circle from point A to B in friction less path

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