Question

 A stone of mass m tied to one end of a string is revolved in a vertical circle of radius r , then its minimum velocity at the lowest point of the circle is

a) root rg

b) root 2rg

c)root 5rg

d)zero

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Answer 1

Answer:

I think it's b) root 2rg what do you think mate.

Answer 2

Answer:

thanks for free points

Explanation:

..,