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Questions from December 31, 2021

• Rolling motion of a ship can be reduced byusing feedback control to vary the angle of the stabilizer fins, much likeailerons are used to control aircraft roll. Figure P12.15 is the block...
  Jan 01, 2022
• A mining company operates two mines, which produce three grades of ore. The West Summit mine can produce 4 tons of low-grade ore, 3 tons of medium-grade ore, and 2 tons of high-grade ore per hour of...
  Jan 01, 2022
• 1. If the well depth has increased, what will happen to the cost per foot? a) It will increase b) It will decrease c) It will not change d) None of the above 2. What is the effect of increasing the...
  Jan 01, 2022
• A wet cooling tower receives air at 20°C and a relativehumidity of 50%. The air exits as saturated air at 30°C. The air pressure is101.325 kPa. Cooling water enters the tower at 35°C and exits at...
  Jan 01, 2022
• A new double-acting duplex pump is being installed in a drilling rig. The pump has 6.75 liner size, 25 liner length and 1.75 piston rod diameter. The pump was tested for 5 minutes at the maximum...
  Jan 01, 2022
• Each of the 12 ordered boxes contains 12 coins, consistingof pennies and dimes. The number of dimes in each box is equal to its orderamong the boxes, that is, box number 1 contains one dime and 11...
  Jan 01, 2022
• Equally Likely Outcomes For the following experiments, a list of possible outcomes is given. Decide if one can assume that the outcomes are equally likely. If the equally likely assumption is not...
  Jan 01, 2022
• The voltage of Exercise 7.1 is applied across an inductor of1 mH. Calculate the average power dissipated in the inductor in thisarrangement.Exercise 7.1A sinusoidal voltage v = 10 sin 377t...
  Jan 01, 2022
• 1. Which component is considered the brains of the computer that performs mathematical calculations and performs comparisons? ? A. Processor ? B. RAM ? C. Chipset ? D. ROM 2. Which of the following...
  Jan 01, 2022
• Shawn Daily was given a gift of Giggle stock by his uncle several years ago at a price of $ 41.35 per share. Giggle sells today for $ 63.75 per share. Shawn is taxed on capital gains at the rate of 15...
  Jan 01, 2022
• For the rotation in Equation (1.3-10), with heading, pitch, and roll angles all equal to −90∘, find, by hand: (a) The eigenvalues (b) The eigenvector for the +1 eigenvalue (c) The direction of the...
  Jan 01, 2022
• Which of the following statements about annuities are true? Check all that apply. An annuity due earns more interest than an ordinary annuity of equal time. An annuity due is an annuity that makes a...
  Jan 01, 2022
• (Markov matrix) An n * n matrix is called a positive Markovmatrix if eachelement is positive and the sum of the elements in eachcolumn is 1. Write thefollowing method to check whether a...
  Jan 01, 2022
• A shaft is loaded in bending and torsion such that , and . For the shaft, MPa, MPa, the true fracture strength is 1045 MPa, and a fully corrected endurance limit of Se = 210 MPa is assumed. Let and...
  Jan 01, 2022
• Assess the relevance of the reasons offered for the following claims. For the purposes of this exercise, assume that each reason is acceptable. Claim: Government-sponsored daycare is needed to promote...
  Jan 01, 2022
• A hot air balloon is to carry a weight of 1.5 kN over anarea that has a typical atmospheric pressure of 101 kPa and a typical summertemperature of 20◦C. The balloon is made of a material that has...
  Jan 01, 2022
• The table below shows the frequency distribution of the weights (in grams) of pre-1964 quarters. Use the frequency distribution to construct a histogram. Does the histogram appear to depict data that...
  Jan 01, 2022
• 1. Suppose you want to use classes in the packagemypackages.library1 in a program you write. What do you need to put near thestart of the file containing your program? 2. Suppose you want to...
  Jan 01, 2022
• A cascading dynamic system is formed of two subsystems; oneis first order and the next one is second order, such that the output from thefirst-order system is the output to the second-order...
  Jan 01, 2022
• Doug Perkins, aged 33 years, received a 3rd degree burn on his forearm from a ruptured radiator hose in his car. Several days later he became confused and less mentally alert and his son brought him...
  Jan 01, 2022
• A thin rotating disk of radius R is driven by an electricmotor at a constant angular speed ω when it is surrounded by a fluid ofconstant thickness h as indicated in Figure IV.1. The torque...
  Jan 01, 2022
• demonstrate the ability to implement algorithms using basic data structures and operations on them. • To gain experience in designing an algorithm for a given problem description and implementing that...
  Jan 01, 2022
• Personal Math Trainer Assessment Readiness Online Assessment and my.hrw.com Intervention Selected Response 1. The square root of a number is 9. What is the other square root? 9 6. Which of the...
  Jan 01, 2022
• 1. Define cyberbullying. What can be its damage? 2. Define e-discovery. How is it related to the law? To e-commerce? 3. Describe consumer protection measures.
  Jan 01, 2022
• 1. Should the working trial balanceprepared by the auditors include revenue and expense accounts if the balancesof these accounts for the audit year have been closed into retained earningsprior...
  Jan 01, 2022