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physical science

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

  • physical science - ,

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

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