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Why might a tightly crumpled ball of foil sink, but a flat piece of foil of the same mass float in water?
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Crowbar of 5 metre is used to lift an object of 800 metre if the effort arm is 200cm calculate the force applied
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The difference between a red shift and a blue shift has to do with wavelength frequency. t or f
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Why might a tightly crumpled ball of foil sink, but a flat piece of foil of the same mass float in w...
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