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A light balloon is filled with 391 m3 of helium at atmospheric pressure.
(a) At 0°C, the balloon can lift a payload of what mass?
(b) In the table below, observe that the density of hydrogen is nearly half the density of helium. What load can the balloon lift if filled with hydrogen?
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Physics: Compression of column; constant of a spring, 1. A 4.8-m-tall, 30-cm-diameter concrete column supports a 5.0Ã?105 kg load. By how much is the column compressed?
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