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Which object has more potential energy : a 3kg ball at a height of 6 meters or a 2-liter bottle of water at a height of 8 meters
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Which object has more potential energy : a 3kg ball at a height of 6 meters or a 2-liter bottle of water at a height of 8 meters

User TLW
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1 Answer

10 votes

Answer:

Ball

Step-by-step explanation:

We can set a system of equations for the objects and the systems:


Ug_(1)=18g\\

The density of water is 1kg/liter, therefore


Ug_(2)=(2*1)*8g\\\\Ug_(2)=16g\\

Compare Ug1 to Ug2:


Ug_(1) > Ug_(2)

User Tom DeMille
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