The local atmospheric pressure in denver, colorado (elevation 1610 m) is 83.4 kpa. air at this pressure and at 25°c flows with a velocity of 12 m/s over a 2.5-m × 5-m flat plate. the dynamic viscosity is independent of pressure, and for air at 25°c, it is μ = 1.849×10-5 kg/m⋅s. the air density at 25°c = 298 k and 83.4 kpa is 0.9751 kg/m3.