centre, find the ratio of their radii.
Find the angle in radian through which a pendulum swings if its length is 75 cm
and the tip describes an arc of length
(1) 10 cm
(ii) 15 cm (iii) 21 cm
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Answer:
(i) angle = 1075=215 radian
(ii) angle = 1575=15radian
(iii)angle = 2175=725 radian
answer :. 1
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