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The figure shows a pendulum of length L = 2.6 m. Its bob (which effectively has...

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Physics

The figure shows a pendulum of length L = 2.6 m. Itsbob (which effectively has all the mass) has speedv0 when the cord makes an angleθ0 = 42° with the vertical.(a) What is the speed of the bob when it is in itslowest position if v0 = 9.1 m/s? What is theleast value that v0 can have if the pendulum isto swing down and then up (b) to a horizontalposition, and (c) to a vertical position with thecord remaining straight? (d) Do the answers to(b) and (c) increase, decrease,or remain the same if θ0 is increased by a fewdegrees?

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