Magnitude and direction of the buoyant force
A metal block of mass 1.230kg is hanging from a string. The tension in the string is 7.184N. The block is submerged in a beaker of fluid and is stationary. What is the magnitude and direction of the buoyant force acting on the block?
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Saturated liquid leaves the heat exchanger at -10C with h = 185 kJ/kg, and the fluid leaves the compressor with h = 405 kJ/kg. Determine the ratio of the mass flow rates for the two cycles.
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