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When I have one cubic foot of air enclosed within a
weightless container and place it on the surface of a fresh
water body of water at sea level how much mass (weight)
will it support before it sinks below the surface?
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An ice-box is built of wood 1.75 cm thick, lined with cork 3 cm thick. If in the steady state the temperature of the inner surface of the cork is 0 ºC and that of the outer surface of wood is 12 ºC, what is the temperature of the wood-cork interface? The thermal conductivities of wood and cork are 0.2 W/m-K and 0.04 W/m-K respectively
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General Physics 
