2. (25 points) A 1,150 foot vertical curve connects a +3% grade with a -2% grade....

An engineer is comparing voltages for two types of batteries (K and Q) using a sample of 96 type K batteries and a sample of 98 type Q batteries. The mean voltage is measured as 8.79 for the type K batteries with a standard deviation of 0.661, and the mean voltage is 9.05 for type Q batteries with a...

without using a financial calculator or excel. Please provide all formula used and variables with clear steps Question 8 The rate of interest earned in a bank's savings account is 8% per annum effective (compound). Assume that there is no tax, no fees. John makes a deposit of $100 at time t = 0...

Table 1            Estimated Total Returns                                  ...

Identify the validly drawn conclusion (if any) in each of the following syllogisms. No persons who are afraid of open spaces are persons who can live a normal life. No pilots are persons who are afraid of open spaces. A. All pilots are persons who can lead a normal life. B. Some pilots are not peopl...

A Galilean telescope is made with a 40 cm focal length objective lens and a -10 cm focal length eyepiece. As is typical, the separation between the lenses is the sum of the focal lengths, i.e. 30 cm. Usually this telescope would be used to view far distant objects, but suppose the object viewed is o...

QUESTION 1: 20 marks 20 points It is planned to carry out the following second-order, elementary, non- catalytic gas-phase reaction in an adiabatic CSTR: A+B_C+3D. Only A and B (no inerts) are fed to the reactor at equimolar flow rates of 150 mol/min each. The rate constant is related to the tempera...

Estimate a range for each sumexample 7.42+13.97+101.2...

f. What is the predicted robbery rate for a southern state with a median income of $6000? Incorrect: Your answer is incorrect. offenses reported to the police per 100,000 population g. Suppose we observe a southern state with a median income of $3600 and robbery rate of 70 offenses reported to the p...

What is the complementary sequence to the DNA strand 5' TGACGTGAT 3'? Enter the sequence in the 3' to 5' direction....

The real risk-free rate of interest is expected to remain constant at 2.5%. The inflation rate is expected to be 3% (Year 1), 4.2% (Year 2), and 4.6% thereafter. The maturity risk premium (MRP) is equal to 0.079(t-1)%, where t-the bond's maturity. A 4-year corporate bond yields 8%, what is the y...

Intangible Assets Use the note below from DirecTV’s 2012 annual report to answer the questions. Why does DirecTV not amortize its orbital slots? Did DirectTV record any impairment of their intangibles for the period ending 12/31/2012 and 12/31/2011? If yes, how much was the impairment and wh...

a. If a firm's assets of $15,000 represent 200 days' sales, what is its annual sales? Assume a 365-day year. Annual sales b. What is its asset turnover ratio? (Round your answer to 3 decimal places.) Asset turnover ratio...

Suppose the economy is operating at full potential in the following IS-LM-PC model: C 200+0.25*Y I-150 0.25*Y-1000 i G = 150 T-200 i-0.05 a) Solve for the equilibrium level of output. What is the level of potential output? b) Solve for the equilibrium values of C and I c) Suppose in period t+1 there...

An electric utility is considering a new power plant in northern Arizona. Power from the plant would be sold in the Phoenix area, where it is badly needed. Because the firm has received a permit, the plant would be legal; but it would cause some air pollution. The company could spend an additional $...

How do you differentiate #y=sqrt(t/(t^2+4))#?...

Long Company has the following account balances, extracted from its multiple-step income statement for the current year Required Compute the missing amounts S 107,600 ales Returns and Allowances ales Discounts 3,700 Net Sales 46,100 Gross Profit 53,700 Selling Expenses eneral and Administrat Total O...

Please answer as much as possible 1. Gauss's Law and Electrostatic Potential 10cm 5cm Figure 1. Figure 1 shows a spherical volume of radius 10cm with uniformly distributed charge. The volume charge density isp -100nCm'. The permittivity of the sphere is the same as free space. Permitt...