PhysicsLAB NextTime Question
Balsa Wood and Rock

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A block of balsa wood with a rock tied to it floats in water. When the rock is on top as shown, exactly half the block is below the water line.
When the block is turned over so the rock is underneath and submerged, the amount of block below the water line is
    a) less than half
    b) half
    c) more than half

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and the water level at the side of the container will
    d) rise
    e) fall
    f) remain unchanged

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