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Two simple pendulums A and B have length...

Two simple pendulums A and B have length 4l and l respectively. They are released from rest from the position shown. Both the angles `alpha " and " beta` are small. Calculate the time after which the two string become parallel for the first time if-
(a) `alpha=beta` " " (b)`beta=1.5 alpha`

Text Solution

Verified by Experts

The correct Answer is:
(a) `(2pi)/(3)sqrt((l)/(g)) " " (b) sqrt((l)/(g)) cos^(-1) ((sqrt(19)-1)/(6))`
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