When a body slides along an inclined plane of height 'h' and describes a vertical circle of radius r on reaching the bottom

Question

When a body slides along an inclined plane of height 'h' and describes a vertical circle of radius r on reaching the bottom 
Ans:h =5R/2

bobpursley · Accepted Answer

PE starting point= PE at top + Ke at top mgh=mg(2r)+1/2 m v^2 but mg=mv^2/r or v^2=rg mgh=2r*mg+ 1/2 m rg h= 5r/2

Thousif · Answer

Thank you

Student · Answer

Please can you explain the derivation of the formula used to solve the problem?

Anonymous · Answer

hi how are you i am fine