A plate of length 4m in the direction of the flow and of width 2m is...

A plate of length 4m in the direction of the flow and of width 2m is pulled at a speed of 108 km/h in water at 15^oC find the power needed against the shear force for one side of the plate .

b- oil with dynamic viscosity=0.1 N-s/m² and density=863 kg/m³ flows between 2 parallel plates 2.5 mm apart and inclined 30 degrees to the horizontal at a rate of 300 cm³/s per one meter of width. Calculate the pressure gradient in the direction of flow.

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samet mamat answered 7 months ago

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