Water is flowing at 1 m/s from a circular hose 1.9 cm in diameter into a drain pipe 3.3 cm in diameter. How fast is it going in the drain pipe?

Suppose you spray your sister with water from a garden hose. The water is supplied to the hose at a rate of 0.441×10−3 m3/sand the diameter of the nozzle you hold is 5.63×10−3 m. At what speed ? does the water exit the nozzle?

Suppose you spray your sister with water from a garden hose. The water is supplied to the hose at a rate of 0.405×10−3 m3/s and the diameter of the nozzle you hold is 5.77×10−3 m. At what speed v does the water exit the nozzle?

You want to siphon rainwater and melted snow from the cover of an above-ground swimming pool. The cover is 1 m above the ground. You have a plastic hose of 1.0cm radius with one end in the water on the pool cover and the other end on the ground. (a) At what speed does water exit the hose? (b) If you want to empty the pool cover in half the time, how much wider should the hose be? (c) How much faster does the water flow through this wider pipe?