fluids and thermo review penner 1

fluids and thermo review penner 1

12th Grade

19 Qs

quiz-placeholder

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fluids and thermo review penner 1

fluids and thermo review penner 1

Assessment

Quiz

Physics

12th Grade

Hard

NGSS
HS-PS3-4, HS-PS3-1, HS-PS3-2

Standards-aligned

Created by

Alf Penner

Used 20+ times

FREE Resource

19 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

Media Image

The figure shows pipe 1 of cross-sectional area A1 and pipe 2 of area A2, which merge into pipe 3 of area A3.  Water in pipes 1 and 2 flow with speed v1 and v2, respectively.  What is the speed in pipe 3?

 A1v1+A2v2A3\frac{A_1v_1+A_2v_2}{A_3}  

 A1v1A2v2A3\frac{A_1v_1-A_2v_2}{A_3}  

 (A1+A2)(v1+v2)A3\frac{\left(A_1+A_2\right)\left(v_1+v_2\right)}{A_3}  

 A3(v1A1+v2A2)A_3\left(\frac{v_1}{A_1}+\frac{v_2}{A_2}\right)  

2.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

Media Image

A hollow rectangular box is filled with a liquid and can be placed in any of the three orientations shown here. In which orientation will the fluid pressure at the bottom of the box be greatest and why?

X, because pressure at the bottom of a fluid is greater when the vertical height of the fluid is greater

Y, because pressure at the bottom of a fluid is greater when the width time the height of the fluid is greater

Z, because pressure at the bottom of a fluid is greater when the area of the bottom surface is greater

All have the same pressure because the weight of the fluid is the same in each case

3.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

An ideal gas is taken from initial state i at pressure Po and volume Vo to final state f at pressure 2Po and volume 2Vo. The figures below represent four possible processes by which the gas can be taken from state i to state f. For which process is the work done by the gas greatest?

Media Image
Media Image
Media Image
Media Image

Tags

NGSS.HS-PS3-1

NGSS.HS-PS3-2

4.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

Media Image

In an experiment, students recorded the pressure and volume of a sample of ideal gas as its temperature was varied, as shown on the graph. Which of the following ranks the internal energy, U, of the gas at the labeled points from greatest to least?

(UB=UC)>UD>UA\left(U_B=U_C\right)>U_D>U_A

(UC=UD)>UB>UA\left(U_C=U_D\right)>U_B>U_A

(UC=UD)>UA>UB\left(U_C=U_D\right)>U_A>U_B

UD>(UC=UA)>UBU_D>\left(U_C=U_A\right)>U_B

Tags

NGSS.HS-PS3-1

5.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

An ideal gas with molecules of mass m is contained in a cube with sides of area A. The average vertical component of the velocity of the gas molecules is v, and N molecules hit the side of the cube in a time t.  What is the pressure exerted by the gas on the bottom of the cube?

mv/At

2mv/At

Nmv/At

2Nmv/At

6.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

Media Image

A sample of gas is in a container of fixed volume. The pressure of the gas is measured as its temperature is increased, as shown on the graph. Which of the following will be true if the container volume is reduced to half the original value and the experiment repeated?

The graph will still show a linear relationship that passes through the origin, but with a smaller slope

The graph will still show a linear relationship that passes through the origin, but with a larger slope

The graph will still show a linear relationship, but not pass through the origin

The graph will not show a linear relationship, but it will pass through the origin

7.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

Two containers, each holding a different gas, are brought into thermal contact. The gas atoms in container X have twice the mass and half the average speed of the gas atoms in container Y. Which of the following best describes the energy transfer by thermal conduction, if any, between the two containers?

There is a net energy transfer from container X to container Y

There is a net energy transfer from container Y to container X

There is no net energy transfer between containers, because no atoms move between them

There is no net energy transfer between containers, because energy is transferred at approximately equal rates in each direction

Tags

NGSS.HS-PS3-2

NGSS.HS-PS3-4

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