Friday
April 18, 2014

Homework Help: physics

Posted by joy on Sunday, August 22, 2010 at 9:54am.

A pendulum is initially displaced to a height 1 y above the table
top, as in figure 1. It is released with an initial speed of 1 v = 0 . At
the lowest point of its motion, it is at a height 2 y above the
table top, and with a speed of 2 v . Derive an equation of 2 v , in
terms of 1 y and 2 y , assuming that its total mechanical energy is
conserved.

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