Question 3 The stepped shaft shown must transmit 40 kW. Knowing that the allowable shearing stress...

please answer [8] 3. An AC generator is connected to a circuit. The generator's emf is 5W - 172 V sin(a). If the maximum current that results is 130 mA circuit, @=5.01 x 10 rad's and the phase angle is -85.6 degrees, complete the following (t) Sinu -...

A taxable bond has a coupon rate of 6.19 percent and a YTM of 5.77 percent. If an investor has a marginal tax rate of 38 percent, what is the equivalent aftertax yield?...

Draw the shear and bending moment diagrams 10 kN 8 kN 15 kN m 3 m...

What are the strongest intermolecular forces for mercury? What are the strongest intermolecular forces for water? Based on the shape of the meniscus, which substance is more attracted to the glass? Since "like attracts like", do you think the glass is made from a polar or nonpolar substance?...

Weiland Co. shows the following information on its 2014 income statement: sales $156,500; costs $81,200, other expenses-$4,500; depreciation expense = $10,200; interest expense = $7,700, taxes = $18,515, dividends = $7,550. In addition, you're told that the firm issued $3,300 in new equity durin...

1. (50 points) What follows is a slightly simplified version of the earned income tax credit (EITC) which has become the largest income transfer program in the U.S. You will be asked to draw budget constraints for an individual (with two children) with and without EITC Consider an individual whose o...

Children in the U.S. who live in poverty are most likely to experience: a fewer visits to the hospital Ob. improved performance in school to try to escape the situation c. a reduced risk of obesity O d. health problems caused by nutrient toxicity Oe, a steady diet of inexpensive, low-nutrient foods ...

4.16 Two large diffuse gray parallel plates, separated by a small distance, have surface temperature of 400 K and 300 K. IF the emissivities of the surfaces are 0.8 and the Stefan-Boltzmann constant is 5.67 x 10-8 W/m3K4, the net radiation heat exchange rate in kW/m2 between the two plates is (a) 0....

An elementary school teacher is interested in knowing if there is a significant difference in the average reading speed of fifth-grade boys and girls. She randomly selects 36 fifth grades boys and 36 fifth grade girls for the study. Each student is given several pages of the same book to read and th...

The walls of the box are infinite and you have a potential equal to zero, but the base that is on the x axis has a V(x,y)=V Find the function of the potential V (x, y) with the boundary conditions in the book uses a Fourier trick...

Fluid A of density ρj is injected for a short time interval τj at a speed Vj through a nozzle of diameter dj into a sphere of diameter D >> dj, which contains fluid B of density ρB. Estimate the characteristic rotation period τv0 of the resulting vortex when it first fills the ...

Electromagnetic radiation behaves both as particles (called photons) and as waves. Wavelength and frequency are related according to the equationwhere c is the speed of light (3.00x10^8 m/s). The energy (E in joules) contained in one quantum of electromagnetic radiation is described by the equationE...

Consider two pdfs f(C) and f, (x) which are defined as follows 1 0sxs1 f(x)=16 otherwise and i(x)- 0 otherwise Suppose that a single observation X is to be taken from f(x) where f(x) is either :G(x) or f(x). The following simple hypotheses are to be tested: Ho:(x)- (x) 4: f (x) = f(x) Determine a te...

8. Let the random variables X be the sum of independent Poisson distributed random variables, i.e., X = 11-1Xị, where Xi is Poisson distributed with mean li. (a) Find the moment generating function of Xį. (b) Derive the moment generating function of X. (d) Hence, find the probability mass...

help asap Why wouldn't a bank want to keep excess reserves as part of their asset portfolio?...

4 After a survey of 80 redwood trees in a national park, the average height is found to be 402 ft. with a standard deviation of 18 ft. What would be the margin of error for the mean at a 90% confidence level? (397, 407) (400, 404) PB (398, 406) (399, 405) End 5. A sample of 500 students at a univers...

Hard water often contains dissolved calcium ion and magnesium ions. One way to soften water is to add phosphate salts. The phosphate ion forms insoluble precipitates with calcium and magnesium ions, removing them from solution. Suppose that a solution is 5.5×10−2 M in calcium chloride an...