Fluids & Solids (AP (Advanced Placement) Physics(BC)): Questions 1  3 of 67
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Question number: 1
» Fluids & Solids
Question
Water flows horizontally from a larger pipe with a diameter of to a smaller pipe with a diameter of. The smaller pipe then curves upward, and the water flows at a level higher, as in the illustration. If the speed of the water is in the larger pipe, what is the speed of the water in the smaller pipe as it flows at the higher level?
Choices
Choice (5)  Response  

a. 


b. 


c. 


d. 


e.  Question does not provide sufficient data or is vague 

Question number: 2
» Fluids & Solids
Question
Air is moving horizontally from a wide pipe of diameter at a speed of to a narrow pipe of diameter . Assuming that the density of air is ; and neglecting change in density due to compression. What is the change in internal pressure of the air?
Choices
Choice (5)  Response  

a. 


b. 


c. 


d. 


e.  All of the above 

Question number: 3
» Fluids & Solids
Question
In the illustration, a bar of metal is suspended under water by two cords. If is the tension in each cord, is the weight of the bar in air, and is the buoyant force of the water on the bar, which of the following equations correctly expresses the forces on the bar of metal?
Choices
Choice (5)  Response  

a. 


b. 


c. 


d. 


e.  Question does not provide sufficient data or is vague 
