Asked by Skyler

A pendulum has a mass of 3-kg, a length of 3 meters and swings through a (half)arc of .47 radians. To the tenth of a Joule, what is its Total Energy?
Answered by drwls
M*g*(distance that it rises)
= 3.0 kg*9.8 m/s^2*(1 - cos0.47rad)

Crunch the numbers.
Answered by Skyler
So therefore the answer is 3.2 J?
Answered by drwls
I get that also
Answered by Skyler
Sweet thanks for your help!
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