A body of mass 2 kg attached to a string is whirled in a vertical circle of radius 5 m. The minimum speed of the body at lowest point so that the cord does not slacken even at the highest point is

Question : A body of mass 2 kg attached to a string is whirled in a vertical circle of radius 5 m. The minimum speed of the body at lowest point so that the cord does not slacken even at the highest point is

(A) 15.65ms^{-1}

(B) 6.75ms^{-1}

(C) 45.83ms^{-1}

(D) 20.87ms^{-1}

Answer : option (A)

Solution :

Tags: No tags

Add a Comment

Your email address will not be published. Required fields are marked *