Question: A simple pendulum has a length of 0.75 m and a bob with a mass of 0.15 kg. The bob is released from an angle

A simple pendulum has a length of 0.75 m and a bob with a mass of 0.15 kg. The bob is released from an angle of relative to a vertical reference line (Fig. 5.34).

(a) Show that the vertical height of the bob when it is released is h = L (1 €“ cos 25o).
(b) What is the kinetic energy of the bob when the string is at an angle of 9.0o?
(c) What is the speed of the bob at the bottom of the swing? (Neglect friction and the mass of the string.)

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