Question

A simple pendulum is suspended from a nail fixed on the wall of a room just below the roof. The bob is just above the floor. The period of oscillation is found to be 6.28s. Calculate the height of the room from the length of the pendulum

Answer 1

as we know,

T = 2π√l/g

substituting the given values,

we get height of room which ls equal to length of pendulum = 9.8m

Answer 2

Answer:

the length of room is 9.8 m

(for solution please refer to the given image)

@srijansingh