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A 6.4kg block slides (with v0=7.36 m/s) along a curved frictionless path to a level surface...

A 6.4kg block slides (with v0=7.36 m/s) along a curved frictionless path to a level surface that is 2.4 m higher than it began. Stop onver a distance of 1.5m. how much thermal energy does the block-path system gain?

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