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Quiz: Quiz: Physics of Matter
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Quiz: Physics of Matter
Started: Nov 2 at 2:37pm
Quiz Instructions
The quiz:
Covers the
Learn
material from
Module 4: Week 4
.
Contains
26 multiple-choice, true/false and
matching
questions.
Is
limited
to
1 hour and 30 minutes.
Allows
1 attempt.
Is
worth 75 points
.
Some quizzes will also have a
single multi-part problem
. This multi-part problem will be given at the time
of the quiz. It must be written on paper and solved, and then an image of your solution must be uploaded
during the quiz. You must include your name on your paper.
Submit this assignment by 11:59 p.m. (ET) on Monday of Module 4: Week 4.
2 pts
Question 1
Two pistons push down on the ±uid ²lling two cylinders connected by a
narrow hose, as shown in the ²gure. The area
A
1
is 1 square inch, and the
area
A
2
is 10 square inches. A force of 4 pounds is exerted downward on
piston 1, as shown.
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11/2/23, 2:42 PM
Quiz: Quiz: Physics of Matter
https://libertyuniversity.instructure.com/courses/621295/quizzes/2650827/take
2/11
The pressure on
A
1
in psi is
0.25.
0.4.
4.
10.
40.
2 pts
Question 2
The ratio of the density of a material to the density of water is
the mass density.
the weight density.
the speci²c gravity.
the buoyant force.
none of the above.
2 pts
Question 3
How many elements have been identi²ed?
92
104
114
over 200
none of the above
11/2/23, 2:42 PM
Quiz: Quiz: Physics of Matter
https://libertyuniversity.instructure.com/courses/621295/quizzes/2650827/take
3/11
2 pts
Question 4
The positively charged particle inside an atom is
the electron.
the proton.
the neutron.
the nucleus.
none of the above.
2 pts
Question 5
Two in±ated balloons are of identical size and shape, but one is ²lled with
hydrogen, the other helium. Which has the larger buoyant force on it?
neither—the buoyant forces must be equal
the helium balloon
the hydrogen balloon
It can’t be determined.
2 pts
Question 6
The upward force exerted by a ±uid on an object immersed in it is called
gravitational force.
atmospheric force.
11/2/23, 2:42 PM
Quiz: Quiz: Physics of Matter
https://libertyuniversity.instructure.com/courses/621295/quizzes/2650827/take
4/11
buoyant force.
weight.
none of the above.
2 pts
Question 7
You press a stick that has a varying cross-sectional area horizontally
between the palms of your hands. The area of the stick pushing against your
left palm is twice the area of the stick pushing against your right palm.
The force on your left palm is __________ the force on your right palm.
1/4
1/2
equal to
2 times
4 times
2 pts
Question 8
A device that measures absolute air pressure is called a
manometer.
barometer.
thermometer.
tire gauge.
none of the above
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4:29
LTE O
Done
A myopenmath.com
AA C
Ch. 4: 4.2: Mean or Expected
Value and Standard Deviation
Homework
Score: 6/10
3/6 answered
Progress saved
Done
Question 4
>
C1 pt 51 2 98
Details
The student council is hosting a drawing to raise
money for scholarships. They are selling tickets for
$9 each and will sell 500 tickets. There is one $2,000
grand prize, three $300 second prizes, and sixteen
$30 third prizes. You just bought a ticket. Find the
expected value for your profit. Round to the nearest
cent.
$4
Hint:
Hint 2
Video on Expected Value 2 [+]
Submit Question
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22 (not a graded question)
This is the only data, try to answer with the data given. There is no mass of q2 given. Please complete solution
Use 8.854x10^-12 for Epsilon naught if needed
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Multiply the following BINARY NUMBERS
10101.1111 X
101.11
(Note: The problem should be solved in separate paper with steps and scanned copy should be submitted along with other answers
The final answer must also be entered in the boxes below. Enter only one bit in a box and fill the unused boxes if any, with zeros)
Answer - Integer part =
Answer - Fractional part=
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A Content
Take Test: 0 x
b Verify Email X
FREE Chegg X
Messenger x
E ChemPeTa2 x
G The coeffici x
M Verify your x
b My Questio x
+
A ust.blackboard.com/webapps/assessment/take/launch.jsp?course_assessment_id=_255397_1&course_id=_122252_1&content_id=_4246228_1&step=null
v Question Completion Status:
QUESTION 2
25 points
Save Answer
Problem
A new type of force was discovered by physicists with the following expression:
a
Fnew =
+ Be* + 3x
where alpha & beta are constants, and x is the position. The expression above was obtained from the interaction of a massless Higgs B
oson (a type of particle) and a black hole.
Quantum physicists then decides to design and build a machine that is able to move the Higgs Boson from x2 to x1. How much work
should the machine do to achieve this feat? (For simplicity, consider that no energy is lost in the process)
Solution
To determine the work done we apply the following
Xf
W =
dx
Evaluating the above, we get
W =
e
for the limits from x¡ to xf…
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Q4: Quantum chemistry
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Assignments
IXI Mathway | Expert Q&A
B
MP HW 12 - PHY 122:0001-Phy X
C Search Textbook Solutions | Che X b My Questions | bartleby
Everything Is Awesome
->
courses.maine.edu/d2l/le/content/143857/viewContent/5176217/View
G
=S 2
W Calculator
6 alejjcink
y primewire
Ь Bartleby
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X Mathway
limnu logo
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МЕE120
brightspace
Create The Love
new shadowplay
nickpick
>>
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ewo
Cour St TIVMC
ConterIC
Coursc ACSOUTCCS
ASSCSSTTICIHES
TOOIS
Ticip
Table of Contents > Module 13: Wave Optics I > MP HW 12
MP HW 12
口
-
I Review | Constants
Light of wavelength 490 nm illuminates a double
slit, and the interference pattern is observed on a
screen.
Part A
At the position of the m = 4 bright fringe, how much farther is it to the more distant slit than to the nearer slit?
Express your answer using three significant figures and include the appropriate units.
HẢ.
Ar = 980
nm
ENG
9:28 PM
2 Type here to search
INTL 4/21/2021
(8)
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kmarks Window Help
8* 32% D E
Мо
A docs.google.com
A Graphing Review
G Cindy Nguyen - Calculations Review - Google..
G Monday 05/03/2021 Class Slides-
ns Review * D O
O Present
* Slide Arrange Tools Add-ons Help
Last edit was 18 minutes ago
TI D-
田
Layout-
Transition
Background
Theme
2
CI8 Cl g L
F
What formula
f= m/a
do you need?
An archer shot a 0.06 kg arrow at a
target. The arrow accelerated at
5,000 m/s? to reach a speed of 50.0
m/s as it left the bow. During this
acceleration, what was the net
force on the arrow?
What information
is given?
C
Show your
calculation.
What is your
A
answer?
k to add speaker notes
EPIC
3
GAMES
MacBook Air
F8
F10
FI
F3
F4
F5
F6
F7
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5.An atom has a diameter of 3.5x10^-10m.What is the measurement in a.)cm and b.) nm
6.What is the equivalent speed of light which is 299792458.0 m/s to:
a)km/h
b)nm/us
c)cm/ns
d)um/s
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Solve using algebra, please explain flow of calculation
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Download
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BI U
A -
三=
Scientific Knowledge
PLUTO
To what change in scientific knowledge
does the cartoon above refer?
SC.6.N.2.2(SC.8.N.1.5),
SC.7.N.2.1(SC.7.N.1.7)
Created by: R. Hallett-Njuguna, SCPS
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Please help
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Asking for corrrect FORMULAS AND solutions to PARTS (c) & (d). Previous INCORRECT solutions are as follows:
PART C
1) 432.5
2) 865.414
3) 863.07
4) 434.44
PART D
1) 702.44
2) -702.44
3) -713.5
NOTE: OTHER GIVEN INFORMATION WAS CORRECT. THIS IS MY 4TH TIME ASKING THIS QUESTION. DOES ANYBODY KNOW WHAT THEY'RE DOING? I AM CHALLENGING A SMART PERSON TO GET IT RIGHT.
Two forces, F1 = (3.00î + 5.80ĵ) N and F2 = (4.10î + 8.30ĵ) N, act on a particle of mass 1.90 kg that is initially at rest at coordinates (−1.55 m, −4.25 m).
(a) The components of the particle's velocity at t = 11.8 s are 42.362\ivec-59.826\jvec m/s
(b) The particle is moving 305.302° counterclockwise from the +x-axis at t = 11.8 s?
(c) What displacement does the particle undergo during the first 11.8 s?
(d) What are the coordinates of the particle at t = 11.8 s?
x = 249 m
y = ??? m
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answer number one and number two
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1-2
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explain each physics formula by saying what each variable means/stands for and explain the formula as a whole, please.
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Physics (1) Lab. section 1
First Semester 2020/2021
Faculty of Arts and Sciences
Dashboard
My courses
Question 3
The number of significant figures for the following number (0.0034097)
Not yet
Select one:
answered
а. 3
Marked out of
2.00
b. 5
P Flag
question
О с. 4
O d. 6
Previous page
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I need some help here please tutor
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In a nil
converted to energy. How many joules (J) of energy are produced?
1. Read and Understand
What information are you given?
Mass= m = 0.15 kg
Speed of light = c = 300,000,000 m/s=3x108 m/s
2. Plan and Solve
What unknown are you trying to calculate?
The amount of energy produced = E = ?
What formula contains the given quantities and the unknown?
E = mc²
Replace each variable with its known variable and known value.
E = (0.15 kg)(3.00 × 108 m/s)²
E = 1.35 x 10¹6 kg.m²/s2 = 1.4 x 10¹6 J
3. Look Back and Check
Is your answer reasonable?
Yes, the calculated number is quite large compared to the mass, and the units
indicate energy.
Math Practice
How many
3. A nuclear reactor produces 2.75 x 1016 joules of energy.
kilograms of uranium-235 are completely converted to energy?
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How you solve for it?
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Midterm
G Which of the following cc
locs.google.com/forms/d/e/1FAlpQLSehenyKBfzpwA6Ba1LyJILHfOLpHNWF
menian America...
yyyyyyyyyu E Untitled document -.
Alpha particles are
electrons
helium nuclei
negative
neutral
When an elecuon
moves
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Required:
ANSWER TEST 4 ONLY
1. Diagram
2. Complete symbols
3. Final answer should be indicated or put in a box
4. Put brief explanations
5. Derive the final equation first for every problem before plugging in the values given
6. Round off all answers to two decimal places.
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Please answer the questions correctly.
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Finder File Edit View Go Window Help
41%
Sun May 1 9:49:45 PM Allie Privitt Q
AP OneStop Austin Pea X D21 Grades - Radiologic X | W Physics 2020-W48 X PHYS 2020 Class 1 XW PHYS 2020 Class 2 × b Success Confirmati x +
Q យ៍
← → C
webassign.net/web/Student/Assignment-Responses/last?dep=29005162
■
Error Update:
(a) Locate the images for each of the following object distances.
40.4 cm
distance
cm
location
--Select-
20.2 cm
distance
location
cm
--Select--
10.1 cm
distance
cm
V
location
--Select--
(b) Is the image for the object at distance 40.4 real or virtual?
O real
O virtual
Is the image for the object at distance 20.2 real or virtual?
O real
O virtual
Is the image for the object at distance 10.1 real or virtual?
O real
O virtual
(c) Is the image for the object at distance 40.4 upright or inverted?
O upright
O inverted
Is the image for the object at distance 20.2 upright or inverted?
O upright
O inverted
Is the image for the object at distance 10.1 upright or inverted?
O upright
O…
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7. The two-tailed p-value associated with this test is 0.860. Should the null hypothesis be rejected?8. Is there sufficient evidence to suggest that there is a statistically significant difference between the two means in question?9. If we now wanted to know whether there is a difference in weight between those with a low NYHA class (1 and 2) and those with a high NYHA class (3 and 4), what p-value would you report? Note that here, you'll need to combine categories 1 and 2 together, and categories 3 and 4 together. The creation of new variables was discussed in a previous lab. Please refer to it.
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calculate mass and uncertainty the numbers on left are uncertainty ASAP show steps
Fgrav= -2.829N+/-0.036N
G= -12.432m/s^2+/-0.046m/s^2
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What is wrong with the following problems? Explain in full sentences!
0x54x10x4
9) 0.54 x 10 Should be 5.4×10"
10) 97 x 104
11) The diameter of a particular atom is 1.3 x 10⁰ cm.
Solve the following word problems:
12) In Australia, the people use approximately 2,240,000,000 pounds of bread in a year. How
can we write this number in scientific notation?
13) If a satellite travels 62,000,000 miles from Earth, how can we write it in scientific notation?
14) 0.000065 is the wavelength of yellow light. Can you express the measurement using
scientific notation?
15) A proton weighs 1.673 x 10 kg, a neutron weighs 1.75 x 10-27 kg, and an electron weighs
9.11 x 10 kg. Write the heaviest particle's mass in standard notation.
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Theoretical massive particles that weakly interact with other matter are classified as
a.
MACHOs.
b.
WIMPs.
c.
gravitons.
d.
neutrinos.
e.
plutinos.
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a Fuqua - Learn
X
F 23 01 Chemical Equilibria.pptx: CH X
(52) THE ENDING YOU ALL WAIT X
www-awu.aleks.com/alekscgi/x/Isl.exe/10_u-IgNslkr7j8P3jH-IBjuJnuCDtT6kRBabGFF3MoAkZ_UVX0N202gYxcVHUzc400glo|LE64IGX
MATH AND PHYSICS
Solving a quadratic equation using the square root property:...
Solve (x-5)2+ +2=42, where x is a real number.
Round your answer to the nearest hundredth.
If there is more than one solution, separate them with commas.
If there is no solution, click on "No solution".
x = 0₁
Explanation
Check
OD.....
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No
solution
G nitric acid formula - Google Searc X
S
©2023 McGraw HR LLC
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- I need complete solutions to check my own answers pleasearrow_forward4:29 LTE O Done A myopenmath.com AA C Ch. 4: 4.2: Mean or Expected Value and Standard Deviation Homework Score: 6/10 3/6 answered Progress saved Done Question 4 > C1 pt 51 2 98 Details The student council is hosting a drawing to raise money for scholarships. They are selling tickets for $9 each and will sell 500 tickets. There is one $2,000 grand prize, three $300 second prizes, and sixteen $30 third prizes. You just bought a ticket. Find the expected value for your profit. Round to the nearest cent. $4 Hint: Hint 2 Video on Expected Value 2 [+] Submit Questionarrow_forward22 (not a graded question) This is the only data, try to answer with the data given. There is no mass of q2 given. Please complete solution Use 8.854x10^-12 for Epsilon naught if neededarrow_forward
- Multiply the following BINARY NUMBERS 10101.1111 X 101.11 (Note: The problem should be solved in separate paper with steps and scanned copy should be submitted along with other answers The final answer must also be entered in the boxes below. Enter only one bit in a box and fill the unused boxes if any, with zeros) Answer - Integer part = Answer - Fractional part=arrow_forwardA Content Take Test: 0 x b Verify Email X FREE Chegg X Messenger x E ChemPeTa2 x G The coeffici x M Verify your x b My Questio x + A ust.blackboard.com/webapps/assessment/take/launch.jsp?course_assessment_id=_255397_1&course_id=_122252_1&content_id=_4246228_1&step=null v Question Completion Status: QUESTION 2 25 points Save Answer Problem A new type of force was discovered by physicists with the following expression: a Fnew = + Be* + 3x where alpha & beta are constants, and x is the position. The expression above was obtained from the interaction of a massless Higgs B oson (a type of particle) and a black hole. Quantum physicists then decides to design and build a machine that is able to move the Higgs Boson from x2 to x1. How much work should the machine do to achieve this feat? (For simplicity, consider that no energy is lost in the process) Solution To determine the work done we apply the following Xf W = dx Evaluating the above, we get W = e for the limits from x¡ to xf…arrow_forwardQ4: Quantum chemistryarrow_forward
- Assignments IXI Mathway | Expert Q&A B MP HW 12 - PHY 122:0001-Phy X C Search Textbook Solutions | Che X b My Questions | bartleby Everything Is Awesome -> courses.maine.edu/d2l/le/content/143857/viewContent/5176217/View G =S 2 W Calculator 6 alejjcink y primewire Ь Bartleby C Chegg X Mathway limnu logo E Reading list МЕE120 brightspace Create The Love new shadowplay nickpick >> Other bookmarks ewo Cour St TIVMC ConterIC Coursc ACSOUTCCS ASSCSSTTICIHES TOOIS Ticip Table of Contents > Module 13: Wave Optics I > MP HW 12 MP HW 12 口 - I Review | Constants Light of wavelength 490 nm illuminates a double slit, and the interference pattern is observed on a screen. Part A At the position of the m = 4 bright fringe, how much farther is it to the more distant slit than to the nearer slit? Express your answer using three significant figures and include the appropriate units. HẢ. Ar = 980 nm ENG 9:28 PM 2 Type here to search INTL 4/21/2021 (8)arrow_forwardkmarks Window Help 8* 32% D E Мо A docs.google.com A Graphing Review G Cindy Nguyen - Calculations Review - Google.. G Monday 05/03/2021 Class Slides- ns Review * D O O Present * Slide Arrange Tools Add-ons Help Last edit was 18 minutes ago TI D- 田 Layout- Transition Background Theme 2 CI8 Cl g L F What formula f= m/a do you need? An archer shot a 0.06 kg arrow at a target. The arrow accelerated at 5,000 m/s? to reach a speed of 50.0 m/s as it left the bow. During this acceleration, what was the net force on the arrow? What information is given? C Show your calculation. What is your A answer? k to add speaker notes EPIC 3 GAMES MacBook Air F8 F10 FI F3 F4 F5 F6 F7arrow_forward5.An atom has a diameter of 3.5x10^-10m.What is the measurement in a.)cm and b.) nm 6.What is the equivalent speed of light which is 299792458.0 m/s to: a)km/h b)nm/us c)cm/ns d)um/sarrow_forward
- Solve using algebra, please explain flow of calculationarrow_forwardDownload Edits will not be automatically saved. Save now BI U A - 三= Scientific Knowledge PLUTO To what change in scientific knowledge does the cartoon above refer? SC.6.N.2.2(SC.8.N.1.5), SC.7.N.2.1(SC.7.N.1.7) Created by: R. Hallett-Njuguna, SCPSarrow_forwardPlease helparrow_forward
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