Homework Help: Physics

Posted by Dan on Thursday, December 27, 2012 at 8:14pm.

Find the speed, v, of a pendulum at the bottom of its swing (B), given that it has mass m and initial height at A is h (the difference in height from B to A). Your answer will be in terms of g as well.
Included is a drawing of a pendulum at its maximum height (A), and at its minimum height (the middle) (B), and once again at its maximum height, on the other side (C).
PLEASE HELPPP:(

Physics - Damon, Thursday, December 27, 2012 at 8:22pm
potential energy at top (stopped) = kinetic energy at bottom

m g h = (1/2) m v^2

v = sqrt (2 g h)

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