Bob of a simple pendulum of length L is projected horizontally with a speed of u=sqrt(4gh), , from the lowest position. Find the distance of the bob from vertical line AB, at the moment its tangential acceleration becomes zero.

Bob of a simple pendulum of length L is projected horizontally with a

1.	Bob of a simple pendulum of length L is projected horizontally with a speed of u=sqrt(4gh), , from the lowest position. Find the distance of the bob from vertical line AB, at the moment its tangential acceleration becomes zero.
Answer» ANSWER :`(5sqrt(5))/27L`