A 1.0-cm-diameter pipe widens to 2.0 cm, then narrows to 0.5 cm. Liquid flows through the first segment at a speed of 4.0m/s.
Q A: What is the speed in the second segment?m/s
Q B: What is the speed in the third segment?m/s
Q C: What is the volume flow rate through the pipe?L/s