(a) A water hose 3.00 cm in diameter is used to fill a 28.0 L bucket. If it takes 3.00 min to fill the bucket, what is the speed v at which water moves through the hose? (Note: 1 L = 1000 cm3.) (b) The hose has a nozzle 1.00 cm in diameter. Find the speed of the water at the nozzle.

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Q: How tall must a water-filled manometer be to measure blood pressure as high as 300 mm Hg?

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