Physics

Problem

State the correct expression for the time period

T

of a simple pendulum executing small–amplitude oscillations. a)

T = 2\sqrt{\dfrac{\ell}{g}}

T = \pi\sqrt{\dfrac{\ell}{g}}

T = 2\pi\sqrt{\dfrac{\ell}{g}}

T = 2\pi\sqrt{\dfrac{2\ell}{g}}