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## Score Better   ### The crane is designed for a load of 1 ton, a lifting speed of 1m / min, a cable reel with a diameter of 100mm, Question: 1. Minimum power of the motor? 2. If you want to install 1400 rpm electric motor, how much reducer must be attached? Parameters (can use or not): Coefficient of elongation of steel: 12. 10-6 K-1 Density of iron: 7800 kg/m3 Density of

The crane is designed for a load of 1 ton, a lifting
speed of 1m / min, a cable reel with a diameter of 100mm,

1. Minimum power of the motor?
2. If you want to install 1400 rpm electric motor, how
much reducer must be attached?
Parameters (can use or not):
Coefficient of elongation of steel: 12.
10-6 K-1
Density of iron: 7800 kg/m3
Density of

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### (b) Now consider the specific function [ f(x)=sin (2 x) ] over the interval ( [0,1] ). The exact integral is ( I(f)=frac{1-cos (2)}{2} ). (i) [4 marks] Write a MATLAB script to compute Simpson’s rule ( Q_{N}(f) ) and then complete the following entries. You may use scientific notation, e.g., 1.234e-5. Give your answers to 4 significant figures. [

(b) Now consider the specific function [ f(x)=sin (2 x) ] over the interval ( [0,1] ). The exact integral is ( I(f)=frac{1-cos (2)}{2} ). (i) [4 marks] Write a MATLAB script to compute Simpson’s rule ( Q_{N}(f) ) and then complete the following entries. You may use scientific notation, e.g., 1.234e-5. Give your answers to 4 significant figures. [

### 4. (4 points) Two events ( A ) and ( B ) are said to be independent if [ P(A cap B)=P(A) cdot P(B) . ] Let ( S={0,1}^{128} ). Define two events: [ begin{array}{l} E_{1}=left{b in S: operatorname{msb}_{2}(b)=11right} \ E_{2}=left{b in S: l s b_{2}(b)=11right} end{array} ] Verify that the events ( E_{1} ) and ( E_{2} ) are

4. (4 points) Two events ( A ) and ( B ) are said to be independent if [ P(A cap B)=P(A) cdot P(B) . ] Let ( S={0,1}^{128} ). Define two events: [ begin{array}{l} E_{1}=left{b in S: operatorname{msb}_{2}(b)=11right} \ E_{2}=left{b in S: l s b_{2}(b)=11right} end{array} ] Verify that the events ( E_{1} ) and ( E_{2} ) are

custom answer please answer the question withthe correct answer and good handwriting.need ASAP in 45 minutes.thanks (a) A closed-loop system with unity feedback is used for motor speed control as shown in Figure 2. Sketch the root locus for the system by determining the asymptote of the locus. Based on the sketch of the root

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custom answer AB A fourth-grade teacher suspects that the time she administers a test, and what sort of snack her students have before the test, affects their performance. To test her theory, she assigns 90 fourth-grade students to one of three groups. One group gets candy (a lollipop) for their 9:55 AM snack. Another group

### In this section, all questions are worth 1 mark unless indicated otherwise. Dundas Whoresale inc had the following inventory transactions for one month. The comparty uses a perpetual system and FIFO. All purchases and sales are on account. What is the amount of the adjustment that must be made to inventory at the end of the inooth if the selline price drops

In this section, all questions are worth 1 mark unless indicated otherwise. Dundas Whoresale inc had the following inventory transactions for one month. The comparty uses a perpetual system and FIFO. All purchases and sales are on account.
What is the amount of the adjustment that must be made to inventory at the end of the inooth if the selline price drops

#### Solve problem 4 using MATLAB. And paste code and output screenshot here: Solution of problem 3 is also attached at end to solve problem 4 problem3 Solution

Solve problem 4 using MATLAB. And paste code and output
screenshot here:
Solution of problem 3 is also attached at end to solve
problem 4

problem3
Solution

custom answer show all workings plsexcel sheet attached 3. A university wants to know what proportion of students are regular bike riders so that they can install an appropriate number of bike racks. The spreadsheet bike. csv contains the result of survey conducted in 20 classes. Here N is a class size and n is

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custom answer please Help me Instructions: Below are some typical answers students have submitted in the past. Describe the mistake(s) in your own words. What grade (percentage) would you give a student making this mistake? In deciding the grade, consider the following: how ‘big’ is the mistake, how does the mistake compare to the others

#### An economist wants to determine whether average price/earnings (P/E) ratios differ for firms in three industries. Independent samples of five firms in each industry produced the following results after conducting a one-way ANOVA. SSB (sum of squares between groups) = 258.82 and SST (sum of squares total) = 424.04. Based on this information, what would be the

An economist wants to determine whether average price/earnings
(P/E) ratios differ for firms in three industries. Independent
samples of five firms in each industry produced the following
results after conducting a one-way ANOVA. SSB (sum of squares
between groups) = 258.82 and SST (sum of squares total) = 424.04.
Based on this information, what would be the

#### Why would a t-test be used for statistical analysis of surveys?

Why would a t-test be used for statistical analysis of surveys?

#### A financial security generates a cash flow of \$25,000 every five years forever with the first cash flow occurring in 3 years’ time. The appropriate opportunity cost is 12% p.a. compounded annually. What should be the security’s price today?

A financial security generates a cash flow of \$25,000 every five
years forever with the first cash flow occurring in 3 years’ time.
The appropriate opportunity cost is 12% p.a. compounded annually.
What should be the security’s price today?

#### 6. Find vectors ( mathbf{v}, mathbf{w} in mathbb{C}^{1} ) so that ( mathbf{w} ) is a complex scalar multiple of ( mathbf{v} ) but not a real scalar multiple.

6. Find vectors ( mathbf{v}, mathbf{w} in mathbb{C}^{1} ) so that ( mathbf{w} ) is a complex scalar multiple of ( mathbf{v} ) but not a real scalar multiple.

#### find the root mean square as shown in the formula of the given data

find the root mean square as shown in the formula of the given data

#### Was wondering how to do a where statement for months between 4 and 11 and also help with the question after

Was wondering how to do a where statement
for months between 4 and 11
and also help with the question after