For Questions 12 through 17, give a specific example of a process that has the energy changes and transfers described. (For example, if the question states “ Δ E ¯ th > 0 , W = 0 , ” you are to describe a process that has an increase in thermal energy and no transfer of energy by work. You could write “Heating a pan of water on the stove.”) ∆ E th > 0, Q = 0
For Questions 12 through 17, give a specific example of a process that has the energy changes and transfers described. (For example, if the question states “ Δ E ¯ th > 0 , W = 0 , ” you are to describe a process that has an increase in thermal energy and no transfer of energy by work. You could write “Heating a pan of water on the stove.”) ∆ E th > 0, Q = 0
For Questions 12 through 17, give a specific example of a process that has the energy changes and transfers described. (For example, if the question states “
Δ
E
¯
th
>
0
,
W
=
0
,
” you are to describe a process that has an increase in thermal energy and no transfer of energy by work. You could write “Heating a pan of water on the stove.”)
Water is traveling at a speed of 0.65 m/s through a pipe with a cross-section radius of 0.23 meters. The water enters a section of pipe that has a smaller radius, only 0.11 meters. What is the speed of the water traveling in this narrower section of pipe?
A particular water pipe has a radius of 0.28 meters. If the pipe is completely filled with water, moving with average velocity 0.45 m/s, what is the flow rate of water through the pipe with units of cubic meters of water per second?
Water is flowing through a horizontal pipe with two segments. In one segment, the water flows at a speed v1 = 4.52 m/s. In the second segment the speed of the water is v2 = 2.38 m/s. Based on Bernoulli's Principle, what is the difference in pressure (P2 - P1) between the two segments? Assume that the density of the water is 997 kg/m3 and give your answer as the number of Pascals (i.e. N/m2).
Chapter 11 Solutions
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