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Physics - SHM Question with Solution | TestHub

PhysicsSHMOscillations and SHMMedium2 min

PhysicsMediumsingle choice

A simple pendulum of mass $M$ and string length $L$ is released from rest at angle $α$ . A pin is located at distance $l$ below the pivot (Figure 5.101). After the string hits the pin the maximum angle $θ$ it makes with the vertical is:

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Answer:

Solution:

Energy conservation: the bob rises the same height $L (1 - cos α)$ . After the pin the radius is $L - l$ , so $(L - l) (1 - cos θ) = L (1 - cos α)$ , giving $cos θ = \frac{L cos α - l}{L - l}$ .

Subject:PhysicsTopic:SHMSubtopic:Oscillations and SHM

⏱ 2m

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