(Solved): Water flows through a horizontal tube that has a single entry and a single exit as shown in Figu ...

Water flows through a horizontal tube that has a single entry and a ? single exit as shown in Figure 4. At the wide end of the tube, the volume flow rate is 0.036 m/s. What is the radius of the tube (in 3 cm) at the narrow end where the speed of water is 5.3 m/s?