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December 10, 2013

# Homework Help: Physics

Posted by Luis on Saturday, June 25, 2011 at 8:00pm.

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 - drwls, Saturday, June 25, 2011 at 8:23pm

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

This looks like a conservation of energy problem.

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