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posted by Wayne on Monday, May 20, 2013 at 7:56pm.

you do 16,000 j of work on a 45 kg box intitally going 11.8 m/s. How fast is it going now?

ΔKE =Work mv₂²/2 - mv₁²/2 = W v₂= sqrt{(2/m)•[W+ mv₁²/2]}=…

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