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September 19, 2014

Homework Help: physics

Posted by laura on Thursday, March 3, 2011 at 1:03pm.

a simple pendulum consists of a bob of mass 1.8 kg attached to a string of length 2.3 m. the pendulum is held at an angle of 30 from the vertical by a light horizontal string attached to a wall, as shown above. calculate the tension in the horizontal string. when the horizontal string is cut, calculate the speed of the bob.

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