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Physics

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A simple pendulum consists of a light string 1.70 m long with a small 0.490 kg mass attached. The pendulum starts out at 45^\circ below the horizontal and is given an initial downward speed of 1.50 m/s.

At the bottom of the arc, determine the centripetal acceleration of the bob.

At the bottom of the arc, determine the tension in the string.

  • Physics -

    Where is "the horizontal" and what does ^\circ mean?

    This looks like a conservation of energy problem.

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