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. Part A What is the speed in the second segment? Express your answer using two significant figures. Part B What is the speed in the third segment? Express your answer using two […]
Water flowing through a 2.7-cm-diameter pipe can fill a 100 L bathtub in 6.3 min. Part A What is the speed of the water in the pipe? Express your answer using two significant figures.
The water of the Dead Sea is extremely salty, which gives it a very high density of 1240 kg/m3. Part A Explain why a person floats much higher in the Dead Sea than in ordinary water as shown in (Figure 1) . Drag the terms on the left to the appropriate blanks on the right […]
To explore the bottom of a 10 m deep lake, your friend Tom proposes to get a long garden hose, put one end on land and the other in his mouth for breathing underwater, and descend into the depths. Susan, who overhears the conversation, reacts with horror and warns Tom that he will not be […]