Volume and density of the piece of metal based problem
An object has a weight of 0.874 N. It is suspended from a scale, which reads 0.704 N when the piece is submerged in water. What are the volume and density of the piece of metal?
Find volume in m3.
Find density in kg/m3.
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Find (a) the work output of the heat engine, (b) the efficiency of the heat engine, (c) the temperature of the low temperature reservoir for the refrigerator, in degrees Celsius, and (d) the COP of the refrigerator.
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An explorer is caught in a whiteout (in which the snowfall is so thick that the ground cannot be distinguished from the sky) while returning to base camp.
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