(Answered) Air is heated at a rate of 50kw as it flows at a steady

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Air is heated at a rate of 50kW as it flows at a steady rate downwards through a vertical duct.The mass flow rate of air is 3 kg/s and at the inlet the air velocity is 25m/s.The outlet of the duct is 15 m below.Between the inlet and the outlet, the specific enthalpy increases by 16kj/kg. Calculate the air velocity at the exist.

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