Note:-Do not provide handwritten solution. Maintain accuracy and quality in your answer. Take care of plagiarism.Answer completely.You will get up vote for sure. Two processes can be used for producing a polymer that reduces friction loss in engines. Process T will have a first cost of $600,000,an operating cost of $84,000 per year, and a salvage value of $80,000 after its 2-year life. Process W will have a first cost of$1,320,000, an operating cost of $25,000 per year, and a $120,000 salvage value after its 4-year life. Process W will also requireupdating at the end of year 2 at a cost of $90,000. Which process should be selected on the basis of a present worth analysis at aMARR of 12% per year?The present worth of process T is $- 465,476.1, and the present worth of process W is $— 1,148,684.The process selected on the basis of the present worth analysis is process T

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Answered: Two processes can be used for producing…

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

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Homing pigeons avoid flying over water. Suppose a homing pigeon is released on an island at point C, which is 15 mi directly out in the water from a point B on shore. Point B is 32 mi downshore from the pigeon's home loft at point A. Assume that a pigeon flying over water uses energy at a rate 1.34 times the rate over land. Toward what point S downshore from A should the pigeon fly in order to minimize the total energy required to get to the home loft at A? 15 32-x 32 Total energy = (Energy rate over water) • (Distance over water) + (Energy rate over land) • (Distance over land) Point S is miles away from point A. (Type an integer or decimal rounded to three decimal places as needed.)
Homing pigeons avoid flying over water. Suppose a homing pigeon is released on an island at point C, which is 14 mi directly out in the water from a point B on shore. Point B is 30 mi downshore from the pigeon's home loft at point A. Assume that a pigeon flying over water uses energy at a rate 1.27 times the rate over land. Toward what point S downshore from A should the pigeon fly in order to minimize the total energy required to get to the home loft at A? 14 B. 30-x 30 Total energy = (Energy rate over water) • (Distance over water) + (Energy rate over land) • (Distance over land) ..... Point S is miles away from point A. (Type an integer or decimal rounded to three decimal places as needed.)
Homing pigeons avoid flying over water. Suppose a homing pigeon is released on an island at point C, which is 12 mi directly out in the water from a point B on shore. Point B is 26 mi downshore from the pigeon's home loft at point A. Assume that a pigeon flying over water uses energy at a rate 1.25 times the rate over land. Toward what point S downshore from A should the pigeon fly in order to minimize the total energy required to get to the home loft at A? 12 X 26 Total energy (Energy rate over water). (Distance over water) + (Energy rate over land) • (Distance over land) Point S is miles away from point A. (Type an integer or decimal rounded to three decimal places as needed.) 26-x
Homing pigeons avoid flying over water. Suppose a homing pigeon is released on an island at point C, which is 9 mi directly out in the water from a point B on shore. Point B is 20 mi downshore from the pigeon's home loft at point A. Assume that a pigeon flying over water uses energy at a rate 1.35 times the rate over land. Toward what point S downshore from A should the pigeon fly in order to minimize the total energy required to get to the home loft at A? Total energy (Energy rate over water) (Distance over water) + (Energy rate over land). (Distance over land) Point S is miles away from point A. (Type an integer or decimal rounded to three decimal places as needed.) tbook Ask my instructor W JUN ... 9 Clear all 20 A 20-x Check answer
Homing pigeons avoid flying over water. Suppose a homing pigeon is released on an island at point C, which is 5 mi directly out in the water from a point B on shore. Point B is 12 mi downshore from the pigeon's home loft at point A. Assume that a pigeon flying over water uses energy at a rate 1.25 times the rate over land. Toward what point S downshore from A should the pigeon fly in order to minimize the total energy required to get to the home loft at A?
Consider a large vat containing sugar water that is to be made into soft drinks (see figure below). A B Suppose: The vat contains 160 gallons of liquid, which never changes. • Sugar water with a concentration of 4 tablespoons/gallon flows through pipe A into the vat at the rate of 20 gallons/minute. Sugar water with a concentration of 1 tablespoons/gallon flows through pipe B into the vat at the rate of 35 gallons/minute. • The liquid in the vat is kept well-mixed. • Sugar water leaves the vat through pipe C at the rate of 55 gallons/minute. Let S(t) represent the number of tablespoons of sugar in the vat at time t, where t is given in minutes. (A) Write the DE model for the time rate of change of sugar in the vat: ds dt (B) Solve the differential equation to find the amount of sugar in the vat as a function of time. Your function will have an arbitrary constant K in it. Assume that K > 0. S(t)= (C) Suppose that there are 28 tablespoons of sugar in the vat at t = 0. How many…
Homing pigeons avoid flying over water. Suppose a homing pigeon is released on an island at point C, which is 7 mi directly out in the water from a point B on shore. Point B is 16mi downshore from the pigeon's home loft at point A. Assume that a pigeon flying over water uses energy at a rate 1.22 times the rate over land. Toward what point S downshore from A should the pigeon fly in order to minimize the total energy required to get to the home loft at A?
Consider a large vat containing sugar water that is to be made into soft drinks (see figure below). A B Suppose: The vat contains 230 gallons of liquid, which never changes. Sugar water with a concentration of 7 tablespoons/gallon flows through pipe A into the vat at the rate of 5 gallons/minute. • Sugar water with a concentration of 3 tablespoons/gallon flows through pipe B into the vat at the rate of 25 gallons/minute. The liquid in the vat is kept well-mixed. • Sugar water leaves the vat through pipe C at the rate of 30 gallons/minute. Let S(t) represent the number of tablespoons of sugar in the vat at time t, where t is given in minutes. (A) Write the DE model for the time rate of change of sugar in the vat: dS dt (B) Solve the differential equation to find the amount of sugar in the vat as a function of time. Your function will have an arbitrary constant K in it. Assume that K > 0. S(t) = (C) Suppose that there are 22 tablespoons of sugar in the vat at t = 0. How many tablespoons…
Find the work done in emptying the tank in example 4. If the tank water is pumped to a level 1.00 meters above the top of the tank and the water is initially 4.00 meters deep.
Find the number of units x that produces the minimum average cost per unit C in the given equation.
Your town has decided to drill a well to increase its water supply. As the town engineer, you have determined that a water tower will be necessary to provide the pressure needed for distribution, and you have designed the system shown here. The water is to be pumped from a 300-ft well through a vertical 4-in. pipe into the base of a cylindrical tank 20 ft in diameter and 25 ft high. The base of the tank will be 60 ft above ground. The pump is a 3-hp pump, rated at 1650 ft . lb/sec. To the nearest hour, how long will it take to fill the tank the first time? (Include the time it takes to fill the pipe.) Assume that water weighs 62.4 lb/ft3.
An animal has an initial population of No. From that initial population count, it grew to 705 individuals after 25 years. After 25 more years, the population rose to 2500 individuals. If the carrying capacity for this particular specie is 2700 individuals. Calculate the initial population and the growth rate constant of the said species.

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