A bob of mass 0·1 kg, hung from the ceiling of a room by a string 2m long, is set into oscillation. The speed of the bob at its mean position is 1 m/s. What is the trajectory of the bob if the string is cut when the bob is:
(a) at one of its extreme positions?
(b) at its mean position?
The trajectory of the bob is,
(a) Straight line,