The minimum speed for a particle at the lowest point of a vertical circle of radius 𝑟, to describe the circle is 𝑣. If the radius of the circle is reduced to one-fourth its value, the corresponding minimum speed will be

April 17, 2022

by Ezee_Notes

with no comment

Physics Problems

Question : The minimum speed for a particle at the lowest point of a vertical circle of radius 𝑟, to describe the circle is 𝑣. If the radius of the circle is reduced to one-fourth its value, the corresponding minimum speed will be

(A) 𝑣/4

(B) 𝑣/2

(D) 4v

Answer : option (B)

Solution :

The minimum speed for a particle at the lowest point of a vertical circle of radius 𝑟, to describe the circle is 𝑣. If the radius of the circle is reduced to one-fourth its value, the corresponding minimum speed will be