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posted by  ksk on 11/5/2009 1:46:40 AM  |  status: Live  |  Earned Karma: 25

Please Help!!! Life saver

Course Textbook Chapter Problem Needs by
N/A N/A N/A N/A 11/5/2009 at 2:00:00 PM
Question Details:
Consider a pendulum of length L = 1:2 m with a small
ball of mass 32 gm hanging on the end. The ball is released
from rest when the string makes a 23o angle with
the vertical.
23
L
{ Use the Work-Energy Theorem to ¯nd the velocity at the bottom of the swing.
{ Use the Work-Energy Theorem to ¯nd how long it takes to get to the bottom
of the swing.
{ Use Newton's second law to ¯nd the velocity at the bottom of the swing.
{ Use Newton's second law to ¯nd the velocity at the bottom of the swing.
Tags: Physics
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