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How much Kinetic Energy does a 1.5 kg book at rest on top of a 2.3 m tall desk have?
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How much Kinetic Energy does a 1.5 kg book at rest on top of a 2.3 m tall desk have?

User Littlejohn
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A book falls off of a \displaystyle 2.2m high table. If the book weighs \displaystyle 0.75kg, what will its final velocity be right before it hits the ground?

User Lyron
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