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Answer the following questions: a. A constant density liquid is flowing through a pipe when the...

Answer the following questions:

a. A constant density liquid is flowing through a pipe when the cross-sectional area of the pipe is reduced suddenly. Derive an equation for the change in pressure in terms of the velocity, cross-sectional area, and density.

What percentage of a wooden plank’s weight will be supported by the buoyant force when submerged in oil?

Use any denisty but explain

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