Mathematics, 04.02.2021 20:00, mandyt6058
A pendulum is 45 cm long. When it swings, it travels along the arc of a circle and covers a distance of 27.5 cm. Calculate the angle through which the pendulum travels.
Answers: 1
.
, where r= radius ( in radians) , 
= central angle.
![\theta=\dfrac{11}{18}\times\dfrac{180}{\pi}=\dfrac{110\times7}{22} \ \ \ \ [\pi=\dfrac{22}{7}]](/tpl/images/1092/9093/34009.png)
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A pendulum is 45 cm long. When it swings, it travels along the arc of a circle and covers a distance...
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