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The heat capacity at constant volume of a certain amount of a monatomic gas is 47.4 J/K.
(a) Find the number of moles of the gas.
mol
(b) What is the internal energy of the gas at T = 280 K?
kJ
(c) What is the heat capacity of the gas at constant pressure?
J/K
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A steel cable has a cross-sectional area 3.44 × 10-3 m2 and is kept under a tension of 3.33 × 104 N. The density of steel is 7860 kg/m3. Note that this value is not the linear density of the cable. At what speed does a transverse wave move along t..
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