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a simple pendulum of infinite length has infinite kinetic energy at mean position (so its velocity should be greater than escape velocity) then why it returns back?what is the force acting at extreme position i.e. infinity? |
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Answer» a simple pendulum of infinite length has infinite kinetic energy at mean position (so its velocity should be greater than escape velocity) then why it returns back? what is the force acting at extreme position i.e. infinity? |
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