2. A large, 50:0 cm diameter metal cylinder filled with air supports a 20:0 kg piston that can slide up and down without friction. The
piston is 100.0 cm above the bottom when the temperature is 200° C. An 80.0 kg student then stands on the piston. After several
minutes have elapsed, by how much has the piston been depressed?*
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dnt knw the answer.. i hv slved many times..
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dnt knw the answer.
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