SOLUTION: the pendulum of a clock swings through a angle of 2.5 radians as its tip travels through an arc of 50cm. find the length of the pendulum in cm

Question 421812: the pendulum of a clock swings through a angle of 2.5 radians as its tip travels through an arc of 50cm. find the length of the pendulum in cm
Answer by Gogonati(855) (Show Source): You can put this solution on YOUR website!

Denote the length of the arc L=50 cm and the angle .
As we know , where r is the length of the pendulum.

{r=20}
Answer: the length of pendulum is 20 cm.
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