40,935 solutions found
Chemistry
You should have your Periodic Table, Polyatomic ion sheet, a...
You should have your Periodic Table, Polyatomic ion sheet, and Solubility rules open - USE YOUR RESOURCES!! Given the following substances, you will have time in class to complete the following: Design 10 reactions from the given compounds below. Each reaction must produce a compound that is inso...
$8.00
Physics
A 5 kg block sliding freely up a ramp. At the bottom of the ...
A 5 kg block sliding freely up a ramp. At the bottom of the ramp, block has velocity of 11 m/s. How high up does the block reach if 75 J is transformed to heat?
$5.00
Mathematics
f(x)=(x^3+2)/(x^2+8x)
f(x)=(x^3+2)/(x^2+8x)
$1.00
Computer Science
Task 1: Copy my program to look for solutions to the triangl...
Task 1: Copy my program to look for solutions to the triangle puzzle. Watch the video called "PYTHON assignment - triangle puzzle" . In that video I provide a complete program which solves the puzzle below. Put the numbers 1, 2, 3, 4, 5 & 6 into the triangle so that all the si...
$40.00
Mathematics
Practise A For help with questions 1 and 2, refer to Examp...
Practise A For help with questions 1 and 2, refer to Example 1. 1. Cells in a culture are growing by a factor of 3.45 per day. The number of cells in the culture, N, can be estimated using the formula N = 1000(3.45)d, where d is the number of days. a) Use technology to plot a graph of this rel...
$40.00
Mathematics
1. Determine if the graphs represents functions. Write yes o...
1. Determine if the graphs represents functions. Write yes or no and explain. 6 4 y 2 -6 -4 -2 o 2 4 6 2 -4 -6 2. Find the following values for f(x) = 2x2 - 3x + 1 - a. f(2a) b. f(x - 1) 3. Find the domain and range of the following functions a. g(x) = = x+2 b. h(x) = 2Vx-1 4. ...
$48.00
Computer Science
Problem Description Imagine that you are given an essay tha...
Problem Description Imagine that you are given an essay that you should mark, BUT the marking criteria are tedious and frustrating to go through. As a student who is familiar with programming, you should be able to program the marking system. We have a pointing system for our letters in the rma ...
$45.00
Engineering
Introduction In any instrument based measurement a transduc...
Introduction In any instrument based measurement a transducer is used to convert the physical or chemical information into a proportional electrical signal (a current, voltage, or resistance). Some common transducers include thermistors or thermocouples for the measurement of temperature, a glas...
$20.00
Mathematics
ALGEBRA M is the middle point of the segment AB. Prove that...
ALGEBRA M is the middle point of the segment AB. Prove that CM 1(CA+CB) for every point C.
$5.00
Chemistry
Chemistry Final Exam Directions: It is important that you p...
Chemistry Final Exam Directions: It is important that you provide answers in your own words. Please focus only on information from the text/eBook to create your own solutions. Please do not use direct information from an outside source (especially copying and pasting from an "answer" we...
$25.00
Physics
1. You may answer as many parts of question 1 as you wish. A...
1. You may answer as many parts of question 1 as you wish. All work you do will be assessed and the marks totalled but the maximum total credit for this question will be 20 marks. (a) (i) Define Hermitian matrices and explain their significance in quantum mechanics. [3] (ii) Give two examples of...
$175.00
Mathematics
Poblem 1 Let f : a,b R be an unbounded function and P E part...
Poblem 1 Let f : a,b R be an unbounded function and P E part([a,b]). Prove {R(f,P,x;) : x' is a selection from P} s an unbounded set. roblem 2 Prove that f(x) = Xo(x) is not Riemann integrable on any interval.
$10.00
Mathematics
A continous mapping b.G Ho s. t b(ghl=bg) Tblbrh) *what i...
A continous mapping b.G Ho s. t b(ghl=bg) Tblbrh) *what is the topology of G and Hi? proof its continous? 2 bxer bx, define the same class in (prop 4.4.1) bx (g)-bx(g) - 11(g) ₹ - ₹ 166-by,EB'(G,IT) is also ? 3 could you also proof 2 : G Isom(H) is continous ?
$13.00
Mathematics
Lab 4 score: out of 10 1. (1 point) Rename this excel she...
Lab 4 score: out of 10 1. (1 point) Rename this excel sheet as "Lab 4". A permutation is an ordered arrangement of objects. 2. (5 points) Choosing 4 different digits from the following numbers, how many 4-digit whole numers can be formed? 1 2 3 5 7 First, we can use function ...
$25.00
Physics
A particle is moving along a straight line with an accelera...
A particle is moving along a straight line with an acceleration given by a = (-2s-1)v where V is in m/s. At the point X= 0 m and t = 0s, the velocity has the value V0 = 20 m/s. a) Determine the velocity as a function of time.
$8.00
Chemistry
Choose at least 5 central atoms in Glucose and determine the...
Choose at least 5 central atoms in Glucose and determine the molecular shape around each (VSEPR).
$5.00
Computer Science
The reports should be written as essays but should answer th...
The reports should be written as essays but should answer the following questions: 1. What is the “big picture” motivating question or puzzle that this paper seeks to address? 2. What is the specific contribution (e.g. main results, claims, etc.) made by this paper? 3. What data and/or meth...
$105.00
Chemistry
You must show all steps and labels. The answers for the firs...
You must show all steps and labels. The answers for the first few are given. Example. Convert 8.65 X 1025 atoms of H into grams of H 145 8.65x1025 atoms H 1mol H 1.008 g l = 145 1 atoms 1. Convert 0.250 mol of silver into atoms of silver. 1.51 X 1023 atoms Ag 2. Convert 1.51 X 1015 atom...
$30.00
Engineering
Question 6 a) Explain the microstructural changes that yo...
Question 6 a) Explain the microstructural changes that your allocated alloy exhibits during age hardening. You should use a sketch the microstructure of your material (i) held for 30 minutes at the solution temperature, (ii) after, subsequently, cooling rapidly from the solution temperature to ro...
$100.00
Mathematics
1. Consider the vector = C. (2 points) LetG()+()and = let S...
1. Consider the vector = C. (2 points) LetG()+()and = let S be the sphere x2+y2+2==1 with normal vector pointing outward. Compute $ e.ndo S
$8.00
Physics
(e) A background interaction produces a neutral pion in a w...
(e) A background interaction produces a neutral pion in a water Cherenkov detector. The subsequently decays into two gammas that each go on to Compton scatter electrons, each producing a ring of Cherenkov light. Assume that both gammas are produced at the same angle, A, from the initial pion dir...
$28.00
Physics
In a deuterium-tritum (DT) plasma, with equal number densiti...
In a deuterium-tritum (DT) plasma, with equal number densities of deuterium and tritium (i.e. nd = nt = n), the rate of change of number densities is given by = where < (odu) is the DT cross-section averaged over the velocity distribution. The plasma has an initial number density of n = no at...
$22.00
Physics
For Radium 213 88 Ra, (i) Replace X and Y in the follow...
For Radium 213 88 Ra, (i) Replace X and Y in the following reactions with the missing particles and/or nuclei: 213 88 Ra 87 213Fr + X and 213Ra 88 86 209 Rn + Y and identify each decay. [Note that X and Y may each denote more than one particle.] (ii) Given that the half-life for the ...
$20.00
Mathematics
i) 6 marks] A particle moves along a helix in R3, with its p...
i) 6 marks] A particle moves along a helix in R3, with its position vector at time t seconds given by r(t) =sin(t)i+cos(t)j+tk. = a) Show the the particle is moving at a constant speed. b) Find the position Q of the particle at time t = TT seconds? c) Suppose that the pressure P at any point in...
$25.00
Mathematics
[3 marks] Consider the function f(x,y) FILL (x,y) # (0,0); ...
[3 marks] Consider the function f(x,y) FILL (x,y) # (0,0); iii) = L (x,y) = (0,0). a) Evaluate lim f(x,y) along the path y=x. (x,y)-(0,0) b) Evaluate lim f(x,y) along the path y =-T. (x.y)-(0,0) c) Explain why there is no value of L which makes f continuous at the origin? iv) [5 marks] Su...
$15.00
Mathematics
[5 marks] Let F be the vector field in R3 given by + A sol...
[5 marks] Let F be the vector field in R3 given by + A solid cube E of side length 2 units is defined by E Finally, S is the surface of the cube E, made up of six squares. a) Sketch E in R3. b) Use the divergence theorem to calculate the flux integral where the unit normal n is taken to point...
$10.00
Engineering
3 Tasks The following tasks are assessed and you must write...
3 Tasks The following tasks are assessed and you must write a report describing your results. The tasks get you to analysis the Fourier Transform of a signal (Task 1), the frequency response of a filter circuit (Task 2), and the output of the filer circuit when the signal of Task 2 is applied as ...
$93.00
Computer Science
You are tasked to redesign an airport by writing a program t...
You are tasked to redesign an airport by writing a program to optimize gate layout. You are give inputs as follows: LandingTimes – list of times a plane will land (sorted) takeOffTimes – list of times when a plane will take-off (sorted) maxWaitTime – maximum time a plane can wait for a gate ...
$13.00
Computer Science
We are going to implement a simple system that is going to b...
We are going to implement a simple system that is going to be used by a Pizza restaurant to automate their creation of custom pizza and calculation of prices. 1) Create a class called Topping. The class has the following property: a. Object variables (String) name, (Boolean) veg and (double) p...
$50.00
Chemistry
1. A pressure of 745 mmHg corresponds to kPa. a) 55.89 k...
1. A pressure of 745 mmHg corresponds to kPa. a) 55.89 kPa c) 99.3 kPa b) 0.980 kPa d) 745 kPa 2. Liquid nitrogen has a boiling point of - -196 °C this corresponds to a) - 469 K c) 153 K b) 77 K d) 469 K 3. 1.20 atm is the same pressure as: a) 1.2 mmHg d) 850 mmHg b) 760 ...
$20.00
Mathematics
2 (a) The function f(x) is defined on - -1(i) Is f(x) odd...
2 (a) The function f(x) is defined on - -1(i) Is f(x) odd, even or neither? Justify your answer. [3 marks] (ii) Calculate the Fourier series for f(x). You may use the results: [12 marks]
$23.00
Mathematics
(a) (i) Use area integration to calculate the centre of ma...
(a) (i) Use area integration to calculate the centre of mass of a triangle with vertices at (0, 0), (0, 1), (2,0). [10 marks] (ii) Hence find the centre of mass of the object shown in the diagram below (you may assume that the centre of mass of a rectangle is located at the midpoints of both...
$25.00
Engineering
In this homework, you are assumed to be an engineer, who des...
In this homework, you are assumed to be an engineer, who designs embedded circuits according to customer needs. Your customer wants from you an embedded circuit design that collects four different analog sensor data. But the budget of the customer is not enough to use a microcontroller, which has ...
$8.00
Mathematics
Question 1. Consider the polynomial f(x) = an, with n odd, ...
Question 1. Consider the polynomial f(x) = an, with n odd, and Let a =1+a1+a2+.+an = a) - b) Hence show that f(a) > 0. c) Similarly, show that f(-a) < 0. d) Conclude that f(x) has at least one real root. Question 4. a) Show that if c>1, then Vc=1+dn1 for some dn > 0. (N.B note t...
$60.00
Mathematics
In this question you will look at descriptive statistics for...
In this question you will look at descriptive statistics for four variables (health, age, female, high education), as well as two regression analysis (where health is a dependent variable). The results are from a randomly drawn sample of the Indian population. Take the following tables and figure...
$40.00
Engineering
BASIC MEASUREMENTS LABORATORY OSCILLOSCOPE PRELIMINARY PRE...
BASIC MEASUREMENTS LABORATORY OSCILLOSCOPE PRELIMINARY PREPARATION (To be done BEFORE coming to the second lab session and brought to the lab and included in the lab report.) Theoretically calculate (bring all calculations to class and also include them in your lab report) the three values of r...
$115.00
Mathematics
Take the following weight distribution as a starting point ...
Take the following weight distribution as a starting point Name Weight Per - 84 - boy Ola - 64 - boy Klaus - 112 - boy Robert - 70 - boy Bastian - 91 - boy Petter - 69 - boy Tonje - 58 - girl Pernille - 62 - girl Sigrid - 68 - girl Kristin - 72 - girl Mona - 65 - girl Anne - 64 - gi...
$35.00
Engineering
The exercise deals with load effect diagrams. These are diag...
The exercise deals with load effect diagrams. These are diagrams that show how the forces (axial forces, shear forces and moments) are distributed in the structure so that the loads that the structure is subjected to being carried out to the bearings. The strategy for solving the tasks in this to...
$53.00
Mathematics
Question 2 3 pts This is an equation of a circle: (x - 5)...
Question 2 3 pts This is an equation of a circle: (x - 5)2 + y2 = 64 Write down the coordinates of the centre of the circle ( , ) Write down the radius Question 3 3 pts The line AB is the diameter of the circle C, where A and B are (-1, 4) and (5, 2) respectively. What is the radius of...
$13.00
Physics
3. 2 small charged plastics balls (mass = 15.0 g) with equal...
3. 2 small charged plastics balls (mass = 15.0 g) with equal charges Q are hung by light strings that are 10.0 cm long. Due to the repulsion, the plastic balls settle into the position as drawn below, where 0 = 11.2°. What is the charge on each of the balls? There are 2 possible answers. Q Q
$8.00
Mathematics
Page 117, problems 2.10 (see revised instructions), 2.11, 2....
Page 117, problems 2.10 (see revised instructions), 2.11, 2.16, and 2.21. Hints: 2.10: Revised instructions: Prove only the result for products of functions. 2.11: Include the domain of the function in your answer. 2.16: Explain your answers. 2.21: Find all Z where $(x) is continuous. Justify y...
$30.00
Mathematics
-For each statement, decide whether it is true or false. Jus...
-For each statement, decide whether it is true or false. Justify your answer briefly. (a) {(x, y): X, y E R and X- 1=0} { { (x, y): X, y E R and x 2 - x 0 0 (b) NER (c) ZxRCRxZ (d) NxZEQxR -If A and B are two sets satisfying A \B=B\A, what can we conclude about A and B? Explain. (I could expla...
$10.00
Mathematics
4. Given : • If this is a good course, then it is worth t...
4. Given : • If this is a good course, then it is worth taking. • Either the grading is lenient or the course is not worth taking. • The grading is not lenient. Which of the following conclusions is (are) valid? a) This is a good course. b) This is not a good course. c) The cour...
$13.00
Physics
3. Now consider the real system, in which there is some fric...
3. Now consider the real system, in which there is some friction (both between the cart's wheels and track, and in the cart's wheel bearings) SO that in addition to the gravitational force Fideal = mg sin 0 there is an effective friction force acting in the opposite direction. The net force actin...
$5.00
Physics
Write code to simulate and study the self-assembly of co-pol...
Write code to simulate and study the self-assembly of co-polymers confined to a surface. We will use a simple "bead-spring" description of the polymer, which will be described as a set of beads bonded with an harmonic potential. If you want, think about a bead as if it was a monomer of t...
$75.00
Computer Science
For and While loop Exercises: 1. Try the following cod...
For and While loop Exercises: 1. Try the following code in a new Python py file and answer the questions a = [6,12,6,91,13,6] theMax = a[0] for x in a:     if x > theMax:        theMax = x print('Max = %i' %theMax) ● What is the output of the pro...
$15.00
Mathematics
Problem 1 (15 points). Find the area in between the polar cu...
Problem 1 (15 points). Find the area in between the polar curves r=3+2sin(f), r=1 (You can draw the curves if you like, but that isn't required.) Problem 2 (20 points). For the curve r(t) = =(t,t2,5), find each of the following (5 points each): (1) the principal unit tangent vector T(t) = r'(...
$50.00
Mathematics
Exercise 3.4 Let e be the OLS residual from a regression of ...
Exercise 3.4 Let e be the OLS residual from a regression of y on X=[X1 X2]. Find . Exercise 3.5 Let e be the OLS residual from a regression of y on X. Find the OLS coefficient from a regression of e on X. Exercise 3.6 Let Find the OLS coefficient from a regression of y on X. Exercise 3.11 Show t...
$90.00
Mathematics
1. Suppose f : R R is a function and that both of the funct...
1. Suppose f : R R is a function and that both of the functions h(x) = cos(f(x)), k(x) = sin(f(x)) are continuous. (a) Give an example that shows it is possible that f is not continuous. (b) Prove that, if we also assume -f(x) < TT for all X ER, then f is continuous. 2. (a) Let f : [0,1] R...
$50.00
Mathematics
P-5.8 Assume that the (one-dimensional) Minimal Residual ite...
P-5.8 Assume that the (one-dimensional) Minimal Residual iteration of Section 5.3.2 is applied to a symmetric positive matrix A. Will the method converge? What will the result (5.15) become in this case? Both (5.15) and (5.14) suggest a linear convergence with an estimate for the linear convergen...
$35.00
Mathematics
(- - QUESTION 2.2. (Easy) Consider solving AX = B for X, wh...
(- - QUESTION 2.2. (Easy) Consider solving AX = B for X, where A is n-by. n. and X and B are n-by-m. There are two obvious algorithms. The first algorithm factorizes A = PLU using Gaussian elimination and then solves for each column of X by forward and back substitution. The second algorithm co...
$25.00
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