Homework Answers
Part A If A = + 2 ị-2 J-5 k and C:-31-2 j-3 k , which...
Part A If A = + 2 ị-2 J-5 k and C:-31-2 j-3 k , which of the following numbers is closest to the magnitude of A-C? 0 9 0 5 Submit Previous Answers Request Answer Incorrect: Try Again; 5 attempts remaining
Question 8 0.6 points Save Ans Romona Company expects its November sales to be 15% higher...
Question 8 0.6 points Save Ans Romona Company expects its November sales to be 15% higher than its October sales of $220,000. All sales are on credit and are collected as follows: 25% in the month of the sale and 70% in the following month. Purchases were $150,000 in October and are expected to be $100,000 in November. Purchases are paid 30% in the month of purchase and 70% in the following month. The cash balance on November 1 is...
Question 6 10 points Save Ans Determine the partial derivative of the following function with respect...
Question 6 10 points Save Ans Determine the partial derivative of the following function with respect to "z" and evaluate at point A:(-3,4,-2): f(x, y, z) = axºyz+b yºxz+cz*yx Uses the following values: a=4; b=3; and c=1.
Moving to another question will save this response. · Question 3 2 points Save Ans The...
Moving to another question will save this response. · Question 3 2 points Save Ans The mean television viewing time for Americans is 20 hours per week. Suppose a sample of 30 Americans is taken to further investigate viewing habits Assume the population standard deviation for weekly viewing time is o- 4 hours What is the probability that the sample mean will be within 1 hour of the population mean? 0.4687 0.9784 。0.9147 0.8294
QUESTION 12 points Save Ans Calculate the force in member DJ of the Howe roof truss...
QUESTION 12 points Save Ans Calculate the force in member DJ of the Howe roof truss ilustrated below 10 kN D 10 kN E 6 m F K H Y10 KN -6 panels at 4 m- 10.17 kN,T 11.89 KN, C 637 kN, C 16.67 kN, T QUESTION 13 5 points For the truss shown in Fig. below if the lifting force of 120 kN moves at a constant velocity of 8 m per sec. 8m 8m 120 kN The...
We have a separately excited dc machine with Vf=50, rf=25, lf=10, laf=2, ra=1, la=0.1, J=0.5, B=0.6...
We have a separately excited dc machine with Vf=50, rf=25, lf=10, laf=2, ra=1, la=0.1, J=0.5, B=0.6 which is connected to a load with J=0.5 and B=0.4. If we connect 100 volts to the armature, what is the dynamical response of the system in time domain? Don't worry about units
Need answers 8-11 QUESTION 8 1 points Save Ans At 1.0 atm, an unknown pure gas...
Need answers 8-11
QUESTION 8 1 points Save Ans At 1.0 atm, an unknown pure gas leaks through a small opening in a sealed container at a rate 3.54 times slower than a sample of pure nitrogen gas. Which of the following formulas is likely to represent the formula of the unknown gas? O a. C4H10 b. NH3 Oc. UFG O d. SF5 QUESTION 9 1 points Save Answer Aluminum metal shavings (10.0 g) are placed in 100 mL of...
5 points Save Answer s a potenial diference between the plates of 8 V lf the...
5 points Save Answer s a potenial diference between the plates of 8 V lf the charge on one of the plates of the capacitor is恨。iC what is the ele tica e e y tor by this capacitor? 6.0× 10-8 J 320 x 10-6 J 50-10-8 J O 30 108 J 640-10-6 J A thin, circular disk of radius R·30 cris oriented in the yz plane with its center as the origin. The disk carries a total charge Q Calculate...
Remaining Time: 39 minutes, 14 seconds. Question Completion Status: QUESTION 18 2 points Save Ans. Skeletal...
Remaining Time: 39 minutes, 14 seconds. Question Completion Status: QUESTION 18 2 points Save Ans. Skeletal muscle contains approximately water. A 20% B. 45% C. 60% D. 75% 2 points Save Answer QUESTION 19 Which of the following is not related to a mechanical factor that affects the heart's ability to use oxygen? A heart rate B. coronary flow tension of the myocardium D.contractility
Question 7 0.6 points Save Ans Warshaw Company budgets payroll at $3800 per month plus a...
Question 7 0.6 points Save Ans Warshaw Company budgets payroll at $3800 per month plus a percentage of monthly sales. The June operating expenses budget includes total payroll of $13,300 with budgeted sales of $190,000. Sales for July are budgeted at $120.000 while purchases of inventory for July are budgeted at $910,000. Depreciation and insurance for July are estimated at $500 and $600, respectively. Office and administrative expenses related to purchasing inventory are budgeted at 10% of purchases for the...
Part A If A = + 2 ị-2 J-5 k and C:-31-2 j-3 k , which of the following numbers is closest to the magnitude of A-C? 0 9 0 5 Submit Previous Answers Request Answer Incorrect: Try Again; 5 attempts remaining
Question 8 0.6 points Save Ans Romona Company expects its November sales to be 15% higher than its October sales of $220,000. All sales are on credit and are collected as follows: 25% in the month of the sale and 70% in the following month. Purchases were $150,000 in October and are expected to be $100,000 in November. Purchases are paid 30% in the month of purchase and 70% in the following month. The cash balance on November 1 is...
Question 6 10 points Save Ans Determine the partial derivative of the following function with respect to "z" and evaluate at point A:(-3,4,-2): f(x, y, z) = axºyz+b yºxz+cz*yx Uses the following values: a=4; b=3; and c=1.
Moving to another question will save this response. · Question 3 2 points Save Ans The mean television viewing time for Americans is 20 hours per week. Suppose a sample of 30 Americans is taken to further investigate viewing habits Assume the population standard deviation for weekly viewing time is o- 4 hours What is the probability that the sample mean will be within 1 hour of the population mean? 0.4687 0.9784 。0.9147 0.8294
QUESTION 12 points Save Ans Calculate the force in member DJ of the Howe roof truss ilustrated below 10 kN D 10 kN E 6 m F K H Y10 KN -6 panels at 4 m- 10.17 kN,T 11.89 KN, C 637 kN, C 16.67 kN, T QUESTION 13 5 points For the truss shown in Fig. below if the lifting force of 120 kN moves at a constant velocity of 8 m per sec. 8m 8m 120 kN The...
Need answers 8-11
QUESTION 8 1 points Save Ans At 1.0 atm, an unknown pure gas leaks through a small opening in a sealed container at a rate 3.54 times slower than a sample of pure nitrogen gas. Which of the following formulas is likely to represent the formula of the unknown gas? O a. C4H10 b. NH3 Oc. UFG O d. SF5 QUESTION 9 1 points Save Answer Aluminum metal shavings (10.0 g) are placed in 100 mL of...
5 points Save Answer s a potenial diference between the plates of 8 V lf the charge on one of the plates of the capacitor is恨。iC what is the ele tica e e y tor by this capacitor? 6.0× 10-8 J 320 x 10-6 J 50-10-8 J O 30 108 J 640-10-6 J A thin, circular disk of radius R·30 cris oriented in the yz plane with its center as the origin. The disk carries a total charge Q Calculate...
Remaining Time: 39 minutes, 14 seconds. Question Completion Status: QUESTION 18 2 points Save Ans. Skeletal muscle contains approximately water. A 20% B. 45% C. 60% D. 75% 2 points Save Answer QUESTION 19 Which of the following is not related to a mechanical factor that affects the heart's ability to use oxygen? A heart rate B. coronary flow tension of the myocardium D.contractility
Question 7 0.6 points Save Ans Warshaw Company budgets payroll at $3800 per month plus a percentage of monthly sales. The June operating expenses budget includes total payroll of $13,300 with budgeted sales of $190,000. Sales for July are budgeted at $120.000 while purchases of inventory for July are budgeted at $910,000. Depreciation and insurance for July are estimated at $500 and $600, respectively. Office and administrative expenses related to purchasing inventory are budgeted at 10% of purchases for the...
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Amplitude=3;
fs=8000;
n=0:399;
t=0:1/fs: n*1/fs-1/fs;
signal=3+3*cos(2*pi*1100*t)+3*cos(2*pi*2200*t)+3*cos(2*pi*3300*t);
fftSignal= fft(signal);
fftSignal=f ftshift (fftSignal);
f=fs/2*linspace(-1,1,fs);
plot(f,abs(fftsignal);
xlabel('Frequency(Hz)’)
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