Asked by Wayne

you do 16,000 j of work on a 45 kg box intitally going 11.8 m/s. How fast is it going now?
Answered by Elena
ΔKE =Work
mv₂²/2 - mv₁²/2 = W
v₂= sqrt{(2/m)•[W+ mv₁²/2]}=…
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