Apendulum that was originally erected by foucault at the pantheon in paris for the paris exhibition in 1851 was restored in 1995. it has a 28.0-kg sphere suspended from a 67.0-m light cable. how long would it take for the bob in this pendulum to move from the position of maximum displacement down to the equilibrium point?

4.11 s.

Explanation:

The period T of oscillation of the pendulum is given by the formula:

The maximum oscillation point it can reach is 45 °,

This point is the equivalent of T / 4, which is the moment when it reaches equilibrium.

So for T / 4,

0.3x0.21x0.08kg=mass 1 sheet

mass 500 = 500xmass 1

volume pile = 0.3x0.2x0.048

density=mass/volume= 500xmass 1/0.3x0.2x0.048

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