In 1851 Jean Bernard Leon Foucault demonstrated the rotation of the Earth using a pendulum 11.0 m long, which was set up in the Paris Observatory. What was the period of oscillation of the pendulum?
A) 6.65 s
B) 5.63 s
C) 1.79 s
D) 2.12 s
E) 2.58 s

Question

Quizplus · Accepted Answer

The period of oscillation of a pendulum is given by:T = 2π√(L/g)where L is the length of the pendulum and g is the acceleration due to gravity.In this case, L = 11.0 m and g = 9.81 m/s^2.Therefore, T = 2π√(11.0 m / 9.81 m/s^2) = 6.65 s.

In 1851 Jean Bernard Leon Foucault Demonstrated the Rotation of the Earth