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Potential energy is the energy of a body or a system due to the position of the body or the arrangement of the particles of the system.

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Friction on parabola [closed]

A block is released from $x=2, y=4$ on a wire frame with equation $y=x^2$ find its velocity when it passes through origin. The coefficient of friction between block and wire frame is $k$. I tried to s …
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