1. A garden hose is used to fill a bucket in 30.0 s. If you cover part of the hose nozzle so the speed of the water leaving the hose doubles, how long does it take to fill the bucket?
2. A liquid flows through a pipe with a diameter of 0.50 m at a speed of 4.20 m/s. What is the rate of flow in L/min?
3. A pipe system with a radius of 0.060 m has a liquid flowing through it at a speed of 3.96 m/s. What is the rate of flow in L/min?