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Pennsylvania State University *
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102
Subject
Mechanical Engineering
Date
Jan 9, 2024
Type
Pages
6
Uploaded by MagistrateMorning4904
4/10/23, 1:04 PM
Lesson 9 - Quiz: EGEE 102 (SP23): Energy Conservation for Environmental Protection
https://psu.instructure.com/courses/2224925/quizzes/4674353
1/6
Lesson 9 - Quiz
Due
Apr 15 at 11:59pm
Points
25
Questions
12
Available
Apr 10 at 12am - Apr 15 at 11:59pm
Time Limit
20 Minutes
Allowed Attempts
2
Instructions
Attempt History
Attempt
Time
Score
LATEST
Attempt 1
10 minutes
23 out of 25
Correct answers will be available on Apr 16 at 12am.
Score for this attempt:
23
out of 25
Submitted Apr 10 at 1:03pm
This attempt took 10 minutes.
Remember that once you start the quiz, you cannot stop the timer. If you leave the quiz, the timer
keeps running. You must finish in 20 minutes.
Feedback for this Quiz (along with your responses and the correct answers) will be made available
after the deadline for this Quiz.
Take the Quiz Again
2 / 2 pts
Question 1
When air is heated its relative humidity ________
Decreases
Increases
Remains constant
4/10/23, 1:04 PM
Lesson 9 - Quiz: EGEE 102 (SP23): Energy Conservation for Environmental Protection
https://psu.instructure.com/courses/2224925/quizzes/4674353
2/6
2 / 2 pts
Question 2
When warm outside air is cooled by an air conditioner, its relative humidity
increases
decreases
depends on the temperature
depends on the air conditioner
2 / 2 pts
Question 3
The national minimum standard for a central air conditioner SEER is
higher than room air conditioner EER
True
False
: National minimum standards for central air conditioners require a
SEER of 9.7 and 10.0 for single-package and split-systems,
respectively. National appliance standards require room air
conditioners built after January 1, 1990, to have an EER of 8.0 or
greater.
2 / 2 pts
Question 4
4/10/23, 1:04 PM
Lesson 9 - Quiz: EGEE 102 (SP23): Energy Conservation for Environmental Protection
https://psu.instructure.com/courses/2224925/quizzes/4674353
3/6
In a __________ air conditioner, the evaporator, condenser and
compressor are all located in one cabinet.
Packaged central
Split-system central
Geothermal heat pump
2 / 2 pts
Question 5
Heat Pumps can cool your home.
True
False
2 / 2 pts
Question 6
In the expansion valve of an air conditioner, temperature
Decreases
Increases
Doesn’t change
2 / 2 pts
Question 7
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SOLVE CAREFULLY!! Please Write Clearly and Box the final Answer for Part A, Part B with THE CORRECT UNITS! Thank you Express your answer to three significant figures and include appropriate units.
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The
he
of 1
X Incorrect; Try Again; 3 attempts remaining
Part B - Determining the magnitudes of the velocity and acceleration of the second driver
Determine the magnitudes of the velocity and acceleration of the second driver.
Express your two answers, separated by a comma, to two significant figures in meters per second and meters per second squared.
►View Available Hint(s)
E| ΑΣΦΗ1 | vec
?
V2, A2=
m/s, m/s²
Submit
Part C - Finding the equation for the overall magnitude of velocity and acceleration
Identify the equations for the overall magnitude of the velocity and acceleration of the driver in terms of the radius of curvature, r, the transverse rate of rota
the transverse rate of acceleration, 0
► View Available Hint(s)
ENG
F4D
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Important instruction: These questions use the last three-digit value (L3D) of individual student matrix numbers. For example, if the matrix number is CD180264 then the L3D value is 264 (since the last three digits is 264). Some data require multiplication of the L3D value, for example, 10(L3D) means 10 x L3D
subject name is INDUSTRIAL ENGINEERING
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▼
Part A - Determining the magnitudes of the velocity and acceleration of the first driver
Determine the magnitudes of the velocity and acceleration of the first driver.
Express your two answers, separated by a comma, to two significant figures in meters per second and meters per second squared.
► View Available Hint(s)
ΨΕ ΑΣΦ 11 vec S
?
v₁. a1 =
m/s m/s²
Submit
Previous Answers
X Incorrect; Try Again; 3 attempts remaining
4
Part B - Determining the magnitudes of the velocity and acceleration of the second driver
Determine the magnitudes of the velocity and acceleration of the second driver.
by a comma, to two significant figures in meters per second and meters per second squared.
64.7, 14.5
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Help!!! Please answer part b correctly like part A. Please!!!!
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Learning Goal:
To use transformation equations to calculate the plane state of stress in a rotated coordinate system.
The normal and shear stresses for a state of stress depend on the orientation of the axes. If the stresses are
given in one coordinate system (Figure 1), the equivalent stresses in a rotated coordinate system (Figure 2) can
be calculated using a set of transformation equations. Both sets of stresses describe the same state of stress.
In order to use the transformation equations, a sign convention must be chosen for the normal stresses, shear
stresses, and the rotation angle. For the equations below, a positive normal stress acts outward on a face. A
positive Try acts in the positive y-direction on the face whose outward normal is in the positive x-direction. The
positive direction for the rotation is also shown in the second figure.
The stresses in the rotated coordinate system are given by the following equations:
στ
σy
+
cos 20+Try sin 20
2
2
σετ συ
=
σy'
cos 20-Try…
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Identify the lines
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Don't use chatgpt will upvote
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Learning Goal:
To understand the concept of moment of a force and how to calculate it using a scalar
formulation.
The magnitude of the moment of a force with a magnitude F around a point O is defined
as follows:Mo = Fdwhere d is the force's moment arm. The moment arm is the
perpendicular distance from the axis at point O to the force's line of action.
Figure
F₁
1 of 2
Part A
A stool at a restaurant is anchored to the floor. When a customer is in the process of sitting down, a horizontal force with magnitude F₁ is exerted at the top of the stool support as shown in the figure. (Figure 1)
When the customer is seated, a vertical force with magnitude F2 is exerted on the stool support. If the maximum moment magnitude that the stool support can sustain about point A is M₁ = 140 lb-ft, what is the
maximum height do that the stool can have if the magnitudes of the two forces are F₁ = 65.0 lb and F₂ = 140 lb ? Assume that moments acting counterclockwise about point A are positive whereas…
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Scenario
You are assigned a role as a mechanical engineer for a vehicle design manufacturing company. Your
department has a software to perform numerical differentiation and integration. To be able to verify the
results of using the software and validate these results, your department manager has asked you to
analytically perform some tasks to validate the results generated by the software.
Q: is the last two digits of your student Id number. If your number is (20110092) then Q=92.
P: is the last digit of your student Id Number. If your number is (20110092) then P=2,
If that digit equals zero then use P=1. Example: If your number is (20110040) then P=1.
Task 1
Determine the gradient of following functions at the given points:
a) x(t) = (2t7 + P t-2)² + (6vi – 5) when t = 1
5s+7
b) v(s) =
when s = 3
(s²-P)2
c) i(t) = 5(1 – In(2t – 1) )
when t= 1 sec.
d) V(t) =5sin(100nt + 0.2) Volts , find i(t) = 10 × x10-6 dV©)
Ampere when t= 1ms.
dt
e) y(t) = e¬(t-n) sin(Qt + P)
when t = n radian
f)…
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I need a clear answer by hand, not by keyboard and fast answer within 20 minutes. Thank you | dybala
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Question number 1
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I need this quickly please please please its in mechanical engineering: dynamic please please please i need this
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Per Bartleby honor code only 3 subparts of a question can be answered per submission. I have submitted 10, 11, 12, and 13 previously. Please answer 14, 15, 16
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I need help answering these 3 questions ASAP!!! Due date is 11:59
Thank youuuuu
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Please recheck and provide clear and complete step-by-step solution in scanned handwriting or computerized output thank you
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O Web C x
k GECO0 X
O Course X
O Assign X
O Web C x
k MATHO X
Assign X
O Discus: X
O Quizze
O Syllabu x
O Grade: x
om/courses/31937/assignments/1001318?module_item_id=2616268
tructions:
ollow the prescribed format by the course policy
pu have 48 hours to answer and submit the solution.
olve the problem with complete and detailed solution.
7x+14]
-x
1.
What value of x satisfies the matrix equation
(2 points)
3x-2
x+8
2.
Solve for x and y in the matrix equation below:
3 -4
y
x-y 4
2] [10
-1]
3 -1]
%3D
(3 Points)
-1
[2 -3]
x -8
2
6х -9
-3 3х
|1 -2
2
and
the matrix 3(A +2B) is equal to? (3 points)
3.
For matrices A=| 0
%3D
7 -2
3 -1
[2 -3
The matrix product
2 4 ?(2 points)
4.
0 1
1
4,
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Solve the following without the use of AI. Show all steps. Thank You!
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Please show worl quick and correctly.
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Help can only be sought via private Ed Discussion posts or instructor office hours.
- In all coding, use only functions covered in class. It will be considered a violation of the Academic Integrity Policy if you use
any build-in functions or operators of Matlab that calculate the inverse of a matrix, interpolations, spline, diff, integration, ode,
fft, pdes, etc.;
- You may reuse functions you yourself developed throughout this semester in this class or from solutions posted on Canvas for
this class.
Problem Description (CCOs #1, 2, 3, 4, 5, 6, 7, 8, 11, 12)
A water tank of radius R = 1.8m with two outlet pipes of radius r₁ = 0.05m and r2 installed at heights h₁ = 0.13m
and h₂ = 1m, is mounted in an elevator moving up and down causing a time dependent acceleration g(t) that must be
modeled as
g(t) = go+a1 cos(2π f₁t) + b₁ sin(2π f₁t) + a2 cos(2π f₂t) + b₂ sin(2π f₂t),
(1)
Figure 1: Water tank inside an elevator
The height of water h(t) in the tank can be modeled by the following ODE,…
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Writing Assignment 3
6/23/2024
Missing 10 Points Possible
•))
Attempt 1
In Progress
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Imagine you are responsible for setting up a
community service program in your city. What
kind of program would you start? Who would it
serve? Would there be volunteers? Who would
they be? What would you hope to accomplish?
Be specific.
Write at least three paragraphs answering these
questions.
Reminders:
1. This is a high level assignment and should be
completed with multiple paragraphs, at least
3.
2. A paragraph is at least 4 sentences, so this
assignment should be at least 12 sentences in
total (4 per paragraph)
>
<
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Hand written plz asap... I'll give you multiple upvote if hand written
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help here would be great, thanks!
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Learning Goal:
To find the acceleration a of a particle of mass m, we use Newton's second law:
Fnet = ma, where Fnet is the net force acting on the particle.
To find the angular acceleration cx of a rigid object rotating about a fixed axis, we can use a
similar formula: Thet = Ia, where Thet = ΣT is the net torque acting on the object and I
is its moment of inertia.
In this problem, you will practice applying this formula to several situations involving
angular acceleration. In all of these situations, two objects of masses m₁ and m2 are
attached to a seesaw. The seesaw is made of a bar that has length 1 and is pivoted so that
it is free to rotate the vertical plane without friction.
You are to find the angular acceleration of the seesaw when it is set in motion from the
horizontal position. In all cases, assume that m₁ > m₂, and that counterclockwise is
considered the positive rotational direction.
Figure
m₁
O
m₂
1 of 3
Part A
The seesaw is pivoted in the middle, and the mass of the…
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Solve correctly
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Q8
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Enginooring Mochanics: Sutca (1
Fint Scitester, Firt yoat, Academic yer 2020-2021
Deputtane of Civil Engnoeg
Callege of Engincenng
Lasenaty ut Mis
Cm link on Miodle
Instructor: Dr. Murtada Abass
Mid-term Examination of E113 1 year
2020-2021
Date: March 5, 2021
Time: 20 Minutes
Answer one question only which is
assigned for you only
Your Question is assigned via Mloodle
in Ouizzes Section
Your answer to the question will be
submitted via Zoom
Question: Determine the reactions of the
truss shown in the Figure,
5 KN
lom
A
جميلة محمد
15
کشيش
lom
IDM
Page15
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Learning Goal:
To use the principle of linear impulse and momentum to relate a force on an object to the resulting velocity of the object at different times.
The equation of motion for a particle of mass m
can be written as
∑F=ma=mdvdt
By rearranging the terms and integrating, this equation becomes the principle of linear impulse and momentum:
∑∫t2t1Fdt=m∫v2v1dv=mv2−mv1
For problem-solving purposes, this principle is often rewritten as
mv1+∑∫t2t1Fdt=mv2
The integral ∫Fdt is called the linear impulse, I, and the vector mv is called the particle's linear momentum.
A tennis racket hits a tennis ball with a force of F=at−bt2, where a = 1300 N/ms , b = 300 N/ms2 , and t is the time (in milliseconds). The ball is in contact with the racket for 2.90 ms . If the tennis ball has a mass of 59.7 g , what is the resulting velocity of the ball, v, after the ball is hit by the racket?
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est 2 (copy) (page 4 of 9)
A wiseup.wsu.acza/mod/quiz/attempt.php7attempt=610918cmid 148960&page=3
ops
O YouTube
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Maps
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1 MONLO GOA
ashboard / My courses / FLM15B2_KF_WS6222 2021 / Tests / Test 2 (copy)
uestion 4
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Gate AB in Figure below is 1.0 m long and 0.9 wide. Calculate force F on the gate and position X of its centre of
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answered
pressure.
Marked out of
Finish attempt
10,000
Rag question
3m
Oil,
s.g.=Q81
7m
1.0m
B
50
Answer
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Learning Goal:
To use the vector cross product to calculate the moment produced by
a force, or forces, about a specified point on a member.
Part A - Moment due to a force specified by magnitude and endpoints
The moment of a force F about the moment axis passing through O
and perpendicular to the plane containing O and F can be expressed
using the vector cross product, Mo =r x F. In a properly
constructed Cartesian coordinate system, the vector cross product can
be calculated using a matrix determinant:
As shown, a member is fixed at the origin, point O, and has an applied force F, the tension in the rope, applied at the free end, point B.
(Figure 1)
The force has magnitude F = 180 N and is directed as shown. The dimensions are ¤1 = 0.350 m, x2 = 1.90 m, y1 = 2.30 m, and z1 = 1.20 m.
What is the moment about the origin due to the applied force F?
j
M=r x F =|rz
i
k
Express the individual components of the Cartesian vector to three significant figures, separated by commas.
Ty
Tz
F, F, F:…
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Remaining Time: 1 hour, 28 minutes, 41 seconds.
* Question Completion Status:
Press
F11 to exit full screen
PROBLEM 1: The bracket carries two forces P₁ and P2(not shown) at point C. Note that is with respect to the line parallel to y-axis and a is with respect to the line parallel to z-axis.
Given:
Y1 = 125 mm
y2 = 345 mm
x = 276 mm
P₁ = 222 KN
P2 = 551 - 30j + 96k kN
0 = 58°
Required:
1. Calculate the magnitude of resultant of P₁ and P2
8
CO
R=
P₁
kN use 3 decimal places
Calculate the moment about point R: INCLUDE NEGATIVE SIGN
NECESSARY FOR THIS ITEM ONLY
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The red questions please q4 and q5 and q7
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Learning Goal:
To use the vector cross product to calculate the moment
produced by a force, or forces, about a specified point on a
member.
The moment of a force F about the moment axis passing
through O and perpendicular to the plane containing O and
F can be expressed using the vector cross product,
Mo = r x F. In a properly constructed Cartesian
coordinate system, the vector cross product can be
calculated using a matrix determinant:
ij k
M = rx F = T₂ Ty T.Notice that the order of
F. Fy F
Figure
B
< 1 of 2
Part A - Moment due to a force specified as a Cartesian vector
As shown, a member is fixed at the origin, point O, and has an applied force F, the tension in the rope, applied at
the free end, point B.
(Figure 1)
The force is given by F = 130 Ni - 145 N j +80 N k. The dimensions are ₁ = 1.35 m, y₁ = 1.90 m, and 2₁ =
1.05 m.
What is the moment about the origin due to the applied force F?
Express the individual components of the Cartesian vector to three significant figures,…
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Help!!!!!
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Don't Use Chat GPT Will Upvote And Give Handwritten Solution Please
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I could not figure this problem during lecture please help me solve it! ANSWER ALL OR DO NOT ATTEMPT
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- SOLVE CAREFULLY!! Please Write Clearly and Box the final Answer for Part A, Part B with THE CORRECT UNITS! Thank you Express your answer to three significant figures and include appropriate units.arrow_forwardThe he of 1 X Incorrect; Try Again; 3 attempts remaining Part B - Determining the magnitudes of the velocity and acceleration of the second driver Determine the magnitudes of the velocity and acceleration of the second driver. Express your two answers, separated by a comma, to two significant figures in meters per second and meters per second squared. ►View Available Hint(s) E| ΑΣΦΗ1 | vec ? V2, A2= m/s, m/s² Submit Part C - Finding the equation for the overall magnitude of velocity and acceleration Identify the equations for the overall magnitude of the velocity and acceleration of the driver in terms of the radius of curvature, r, the transverse rate of rota the transverse rate of acceleration, 0 ► View Available Hint(s) ENG F4Darrow_forwardImportant instruction: These questions use the last three-digit value (L3D) of individual student matrix numbers. For example, if the matrix number is CD180264 then the L3D value is 264 (since the last three digits is 264). Some data require multiplication of the L3D value, for example, 10(L3D) means 10 x L3D subject name is INDUSTRIAL ENGINEERINGarrow_forward
- ▼ Part A - Determining the magnitudes of the velocity and acceleration of the first driver Determine the magnitudes of the velocity and acceleration of the first driver. Express your two answers, separated by a comma, to two significant figures in meters per second and meters per second squared. ► View Available Hint(s) ΨΕ ΑΣΦ 11 vec S ? v₁. a1 = m/s m/s² Submit Previous Answers X Incorrect; Try Again; 3 attempts remaining 4 Part B - Determining the magnitudes of the velocity and acceleration of the second driver Determine the magnitudes of the velocity and acceleration of the second driver. by a comma, to two significant figures in meters per second and meters per second squared. 64.7, 14.5arrow_forwardHelp!!! Please answer part b correctly like part A. Please!!!!arrow_forwardLearning Goal: To use transformation equations to calculate the plane state of stress in a rotated coordinate system. The normal and shear stresses for a state of stress depend on the orientation of the axes. If the stresses are given in one coordinate system (Figure 1), the equivalent stresses in a rotated coordinate system (Figure 2) can be calculated using a set of transformation equations. Both sets of stresses describe the same state of stress. In order to use the transformation equations, a sign convention must be chosen for the normal stresses, shear stresses, and the rotation angle. For the equations below, a positive normal stress acts outward on a face. A positive Try acts in the positive y-direction on the face whose outward normal is in the positive x-direction. The positive direction for the rotation is also shown in the second figure. The stresses in the rotated coordinate system are given by the following equations: στ σy + cos 20+Try sin 20 2 2 σετ συ = σy' cos 20-Try…arrow_forward
- Identify the linesarrow_forwardDon't use chatgpt will upvotearrow_forwardLearning Goal: To understand the concept of moment of a force and how to calculate it using a scalar formulation. The magnitude of the moment of a force with a magnitude F around a point O is defined as follows:Mo = Fdwhere d is the force's moment arm. The moment arm is the perpendicular distance from the axis at point O to the force's line of action. Figure F₁ 1 of 2 Part A A stool at a restaurant is anchored to the floor. When a customer is in the process of sitting down, a horizontal force with magnitude F₁ is exerted at the top of the stool support as shown in the figure. (Figure 1) When the customer is seated, a vertical force with magnitude F2 is exerted on the stool support. If the maximum moment magnitude that the stool support can sustain about point A is M₁ = 140 lb-ft, what is the maximum height do that the stool can have if the magnitudes of the two forces are F₁ = 65.0 lb and F₂ = 140 lb ? Assume that moments acting counterclockwise about point A are positive whereas…arrow_forward
- Scenario You are assigned a role as a mechanical engineer for a vehicle design manufacturing company. Your department has a software to perform numerical differentiation and integration. To be able to verify the results of using the software and validate these results, your department manager has asked you to analytically perform some tasks to validate the results generated by the software. Q: is the last two digits of your student Id number. If your number is (20110092) then Q=92. P: is the last digit of your student Id Number. If your number is (20110092) then P=2, If that digit equals zero then use P=1. Example: If your number is (20110040) then P=1. Task 1 Determine the gradient of following functions at the given points: a) x(t) = (2t7 + P t-2)² + (6vi – 5) when t = 1 5s+7 b) v(s) = when s = 3 (s²-P)2 c) i(t) = 5(1 – In(2t – 1) ) when t= 1 sec. d) V(t) =5sin(100nt + 0.2) Volts , find i(t) = 10 × x10-6 dV©) Ampere when t= 1ms. dt e) y(t) = e¬(t-n) sin(Qt + P) when t = n radian f)…arrow_forwardI need a clear answer by hand, not by keyboard and fast answer within 20 minutes. Thank you | dybalaarrow_forwardQuestion number 1arrow_forward
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Recommended textbooks for you
- Elements Of ElectromagneticsMechanical EngineeringISBN:9780190698614Author:Sadiku, Matthew N. O.Publisher:Oxford University PressMechanics of Materials (10th Edition)Mechanical EngineeringISBN:9780134319650Author:Russell C. HibbelerPublisher:PEARSONThermodynamics: An Engineering ApproachMechanical EngineeringISBN:9781259822674Author:Yunus A. Cengel Dr., Michael A. BolesPublisher:McGraw-Hill Education
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ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Oxford University Press
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Mechanical Engineering
ISBN:9780134319650
Author:Russell C. Hibbeler
Publisher:PEARSON
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Mechanical Engineering
ISBN:9781259822674
Author:Yunus A. Cengel Dr., Michael A. Boles
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Mechanical Engineering
ISBN:9781118170519
Author:Norman S. Nise
Publisher:WILEY
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Mechanical Engineering
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Author:Barry J. Goodno, James M. Gere
Publisher:Cengage Learning
Engineering Mechanics: Statics
Mechanical Engineering
ISBN:9781118807330
Author:James L. Meriam, L. G. Kraige, J. N. Bolton
Publisher:WILEY