The velocity v of blood that flows in a blood vessel with radius r and length l at a distance r from the central axis is v(r) = p 4l (r2 − r2) where p is the pressure difference between the ends of the vessel and is the viscosity of the blood (see example. ). Find the average velocity (with respect to r) over the interval 0 ≤ r ≤ r. (use eta for . Use capital p for pressure. ).

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If you are charged in a crash with injuries and are driving a motorcycle, you are for any bodily injuries and property damage to others. possibly responsible not responsible probably responsible financially responsible

In the image, layer a is the topmost layer. layer c contains fossils from the precambrian era. layer b contains dinosaur fossils, and layer a contains fossils of mammals. which two statements are supported by this evidence? 1. mammals lived before the precambrian era. 2. dinosaurs and mammals existed in the precambrian era. 3. dinosaurs evolved after precambrian organisms. 4. precambrian organisms evolved after dinosaurs. 5. precambrian organisms were the first life-forms to become fossilized, according to this sample.