1, a. Why does your body not collapse due to the atmospheric pressure around it? A....
1, a. Why does your body not collapse due to the atmospheric pressure around it?
A. Your skeleton is strong.
B. Air molecules pass through your skin and therefore do not collide with your skin.
C. Pressure inside your body is approximately the same as the pressure outside of it.
b,
Which of the following about pressure is true?
Select all that are true.
A. Pressure is a type of force, like tension force and weight force
B. Pressure increases with depth in any fluid.
C. Pressure points in a particular direction
D. The SI unit of pressure is the atmosphere (atm)
E. Pressure exists only at the walls of a container, not within a fluid
c,
What are the requirements to use Pascal's principle to calculate
hydrostatic pressure in a fluid?
Select all correct answers.
A. The fluid is in a closed container
B. The fluid is at rest (not flowing)
C. The fluid is liquid (not gas)
D. The fluid is not cold or hot
Homework Answers
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1, a. Why does your body not collapse due to the atmospheric
pressure around it?
A....
ÃI = A atmospheric pressure C gauge pressure N/m e. absolute pressure 23. When atmospheric pressure...
ÃI = A atmospheric pressure C gauge pressure N/m e. absolute pressure 23. When atmospheric pressure increases, what happens to the absolute pressure at the bottom of a pool? a. It does not change. b. It increases by a greater amount. c. It increases by a lesser amount. d. It increases by the same amount. e. It depends on the depth of the pool. 24. A 500-N weight sits on the small piston of a hydraulic machine. The small piston...
Problem 3. Consider a pipe containing a steadily flowing inviscid fluid. It has one inlet and branches into two arms so...
Problem 3. Consider a pipe containing a steadily flowing inviscid fluid. It has one inlet and branches into two arms so that there are two outlets (see Fig. 1). Flow can be considered uniform and parallel to the walls when entering and exiting the pipe Inlet Pi Outlet ρ2 A2 p, Outlet Figure 1: Flow of fluid through a "T" -junction in a pipe, shown from above (not to scale) Part A (a) The Continuity equation, as given on the...
9,10,11,12,13,14, and 15 please a syringe is filled with 40. mL. of air at room temperature (22°C) in the lab and then this syringe is placed into a boiling water bath. After S minutes, the volum...
9,10,11,12,13,14, and 15 please
a syringe is filled with 40. mL. of air at room temperature (22°C) in the lab and then this syringe is placed into a boiling water bath. After S minutes, the volume of gas in in the syringe (still at lab pressure) should be close to which volume? 9. Which of these is a true statement about a below a tube that is filled with a liquid such as mercury b. The weight of the liquid...
Check Your REV 1 Fill in the blanks: The pressure in the glomerulus that tends to...
Check Your REV 1 Fill in the blanks: The pressure in the glomerulus that tends to favor filtration is known as the , and the two pressures that oppose filtration are the and the 2 The overall force that drives glomerular filtration is known as the a. glomerular osmotic pressure. b. capsular hydrostatic pressure. C. glomerular filtration pressure. d. net filtration pressure. 3 Fill in the blanks: The rate of filtrate formation is known as the and averages about 4...
Activity 2 You have made some conclusions about the water pressure at various points int water....
Activity 2 You have made some conclusions about the water pressure at various points int water. Do the following to test these conclusions: he beaker of a. Consider a container of water at rest. b. Imagine a cylindrical column of the water from the top of the water to a depth h below the top of the water; assume that the cross-sectional area is A. Draw all forces acting c the column of water. You may assume that the forces...
21. The power cord used for charging your phone requires 22 W of power. If you...
21. The power cord used for charging your phone requires 22 W of power. If you are Europe, where the outlet voltage is 220 V, what would be the current required in the primary (in the outlet part of the power cord) a. 120 A b. 2200 A c. 22 A d. 10 A e. 0.1A 22. If you fill a plastic bottle halfway with hot tea, seal it, and place it in the refrigerator then you will find that...
(1 P) Q1. Answer following multiple choice questions (A) The equation for change of momentum is...
(1 P) Q1. Answer following multiple choice questions (A) The equation for change of momentum is a) 4 (MT) - F41 b) A (ma) - F41 c) 4 (mV) - F41 d) 4 (mV)=F1 (B) Water flowing in a fire hose exits through a nozzle into atmosphere as shown in the figure below. Which of the following statements is true for the force exerted by the fluid on the nozzle? a) Fy - PA + PQ (V)-V1) b) - Fy...
Physics 119 General Physics II Winter 2019 Due Thureday, Jauary 24 For the whole assignment, remember,...
Physics 119 General Physics II Winter 2019 Due Thureday, Jauary 24 For the whole assignment, remember, as with everything, neatness counts Conceptual Questions: These questions are to be answered with a short para- graph. You will be graded on the physics content of your answer as well as on its structure and conciseness. Problem/Question 1. Choose one answer: Gas pressure on the walls of a container is caused by (a) The force of gravity from the Earth. (b) The force...
1) The SI unit of pressure is a. torr b. mmMg (millimeters of mercury) d. Pa...
1) The SI unit of pressure is a. torr b. mmMg (millimeters of mercury) d. Pa (Pascal) e. bar . . 2) What is the key difference between a barometer and a manometer? a. barometers are automated pressure measuring devices, while manometers are hand-operated (hence the prefix "man-") b. barometers are an older term for manometer c. barometers measure atmospheric pressure while manometers measure the pressures of a sample . . 3) Often during a storm pressure will drop. If...
Please answer ALL QUESTIONS. If your not going to answer all questions please leave it for...
Please answer ALL QUESTIONS.
If your not going to answer all questions please leave it for
someone else to answer.
substances in the filtrate are brought back into the blood circulation. mm substances in the blood are actively transported directly into the filtrate. 22. is a hormone released by the kidneys when bloodressure falls. 23. The flatworm has a simple excretory system. Label the structures indicated on the following diagram of a flatworm. -OS 16. Under which of the following...
ÃI = A atmospheric pressure C gauge pressure N/m e. absolute pressure 23. When atmospheric pressure increases, what happens to the absolute pressure at the bottom of a pool? a. It does not change. b. It increases by a greater amount. c. It increases by a lesser amount. d. It increases by the same amount. e. It depends on the depth of the pool. 24. A 500-N weight sits on the small piston of a hydraulic machine. The small piston...
Problem 3. Consider a pipe containing a steadily flowing inviscid fluid. It has one inlet and branches into two arms so that there are two outlets (see Fig. 1). Flow can be considered uniform and parallel to the walls when entering and exiting the pipe Inlet Pi Outlet ρ2 A2 p, Outlet Figure 1: Flow of fluid through a "T" -junction in a pipe, shown from above (not to scale) Part A (a) The Continuity equation, as given on the...
9,10,11,12,13,14, and 15 please
a syringe is filled with 40. mL. of air at room temperature (22°C) in the lab and then this syringe is placed into a boiling water bath. After S minutes, the volume of gas in in the syringe (still at lab pressure) should be close to which volume? 9. Which of these is a true statement about a below a tube that is filled with a liquid such as mercury b. The weight of the liquid...
Check Your REV 1 Fill in the blanks: The pressure in the glomerulus that tends to favor filtration is known as the , and the two pressures that oppose filtration are the and the 2 The overall force that drives glomerular filtration is known as the a. glomerular osmotic pressure. b. capsular hydrostatic pressure. C. glomerular filtration pressure. d. net filtration pressure. 3 Fill in the blanks: The rate of filtrate formation is known as the and averages about 4...
Activity 2 You have made some conclusions about the water pressure at various points int water. Do the following to test these conclusions: he beaker of a. Consider a container of water at rest. b. Imagine a cylindrical column of the water from the top of the water to a depth h below the top of the water; assume that the cross-sectional area is A. Draw all forces acting c the column of water. You may assume that the forces...
21. The power cord used for charging your phone requires 22 W of power. If you are Europe, where the outlet voltage is 220 V, what would be the current required in the primary (in the outlet part of the power cord) a. 120 A b. 2200 A c. 22 A d. 10 A e. 0.1A 22. If you fill a plastic bottle halfway with hot tea, seal it, and place it in the refrigerator then you will find that...
(1 P) Q1. Answer following multiple choice questions (A) The equation for change of momentum is a) 4 (MT) - F41 b) A (ma) - F41 c) 4 (mV) - F41 d) 4 (mV)=F1 (B) Water flowing in a fire hose exits through a nozzle into atmosphere as shown in the figure below. Which of the following statements is true for the force exerted by the fluid on the nozzle? a) Fy - PA + PQ (V)-V1) b) - Fy...
Physics 119 General Physics II Winter 2019 Due Thureday, Jauary 24 For the whole assignment, remember, as with everything, neatness counts Conceptual Questions: These questions are to be answered with a short para- graph. You will be graded on the physics content of your answer as well as on its structure and conciseness. Problem/Question 1. Choose one answer: Gas pressure on the walls of a container is caused by (a) The force of gravity from the Earth. (b) The force...
Please answer ALL QUESTIONS.
If your not going to answer all questions please leave it for
someone else to answer.
substances in the filtrate are brought back into the blood circulation. mm substances in the blood are actively transported directly into the filtrate. 22. is a hormone released by the kidneys when bloodressure falls. 23. The flatworm has a simple excretory system. Label the structures indicated on the following diagram of a flatworm. -OS 16. Under which of the following...
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