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17-03-2017
Physics

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If the zero level is a distance 2h/3 above the floor, what is the potential energy u of the block on the floor?

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Аноним Аноним

18-03-2017

U = mgh₁ - mgh₂

h₁ = 0
h₂ = 2/3 h

[tex]U = -\frac{2}{3} mgh[/tex]

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