Suppose that hotdogs are inferior good. True or false, explain. “If the income of the consumers is rising, hamburger prices are falling and the price of hotdog casing (the
synthetic skin around the hotdog) increase, we can conclude that the quantity of
hotdogs consumed will go down and the price change is indeterminate”. Use welllabeled demand and supply diagram(s) in your explanation.

Two flowing streams of argon gas are adiabatically mixed to form a single flow/stream. one stream is 1.5 kg/s at 400 kpa and 200 c while the second stream is 2kg/s at 500 kpa and 100 ? . it is stated that the exit state of the mixed single flow of argon gas is 150 c and 300 kpa. assuming there is no work output or input during the mixing process, does this process violate either the first or the second law or both? explain and state all your assumptions.

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Asteel wire of 2 mm diameter is fixed between two points located 2 m apart. the tensile force in the wire is 250n, if its density of steel is given by 7830 kg/m3 the fundamental frequency of vibration hz? ?