A pendulum of 14 cm long oscillate through an angle of 12° then the angle of the path described by its extremities is
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Step-by-step explanation:
lenght of pendulunm r = 14 cm and theta = 18 degree = 18 * pi/180 = pi / 10
lenght of the path = r * theta = 14 * pi/10 = 4.4 cm
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