A simple pendulum has a length of 0.80 m and a bob of mass 0.20 kg. It is initially displaced to an angle of 18° from the vertical and released from rest. At t = 1.2 s:
(a) what angle does it make with the vertical?
(b) what is its velocity?

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The Answer of A simple pendulum has a length of 0.80 m and a bob of mass 0.20 kg. It is initially displaced to an angle of 18° from the vertical and released from rest. At t = 1.2 s:
(a) what angle does it make with the vertical?
(b) what is its velocity?

A Simple Pendulum Has a Length of 0