Question

Six nails are driven through a smooth plank placed in a horizontal plane. The poor
plank placed in a horizontal plane. The positions of the nails are
the vertices of a hexagon of side length L/6 each. A bob attached to a light inextensible string of length
L is held straight as shown in the figure in the same plane and is projected
time taken by the bob to hit the nail A is​

Answer 1

Answer:

Six nails are driven through a smooth plank placed in a horizontal plane. The poor

plank placed in a horizontal plane. The positions of the nails are

the vertices of a hexagon of side length L/6 each. A bob attached to a light inextensible string of length

L is held straight as shown in the figure in the same plane and is projected

time taken by the bob to hit the nail A is

Answer 2

Answer:

πL/v length-L velocity -v