Air at 7 kpa and 35 degc flows over a flat plate at 75 ms

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Air at 7 kPa and 35 °C flows over a flat plate at 7.5 m/s. The plate is 30 cm square and is maintained at 65 °C.

a. Determine if the air flow is laminar or turbulent. Justify your answer.

b. Estimate the heat lost from the plate in W.

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