Find the angle in radian through which a pendulum swings if its length is 75cm and the tip describes an arc of length 30cm.

Asked by kalidas | 10th Jun, 2010, 08:28: PM

Expert Answer:

Dear Student,
We know that the radius times the angles described (in radians) is equal to the length of the arc, that is
Hence, the angle is 0.4 radians.

Answered by  | 14th Jul, 2010, 03:23: PM

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