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A small sphere with mass m is attached to a mass less rod of length L that is pivoted at the top, forming a simple pendulum. The pendulum is pulled to one side that the rod is at an angle e from the vertical, and released from rest.
(a) In a diagram, show the pendulum just after it is released. Dam vectors representing the forces acting on the small sphere and the acceleration of the sphere Accuracy counts I At this point, what is the linear acceleration of the sphere?
(b) Repeat part (a) for the instant when the pendulum rod is at an angle e/2 from the vertical. (c) Repeat part (a) for the instant when the pendulum rod is vertical. At this point, what is the linear speed of the sphere? |
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