ch11
ch11
09-03-2017
Physics
contestada
look at the picture then answer the question
Respuesta :
AL2006
AL2006
09-03-2017
If there is no friction, then the total energy of the pendulum is constant.
No matter where it is in its swing, the sum of
(its potential energy) plus (its kinetic energy)
is always the same number.
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