The figure shows a pendulum of length L = 2.0 m. Its bob (which effectively has...

The figure shows a pendulum of length L = 2.0 m. Its bob (which effectively has all the mass) has speed v₀ when the cord makes an angle θ₀ = 32° with the vertical. (a) What is the speed of the bob when it is in its lowest position if v₀ = 6.3 m/s? What is the least value that v₀ can have if the pendulum is to swing down and then up (b) to a horizontal position, and (c) to a vertical position with the cord remaining straight? (d) Do the answers to (b) and (c) increase, decrease, or remain the same if θ₀ is increased by a few degrees?

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genius_generous answered 1 year ago

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