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8th Edition

James Stewart

Publisher: Cengage Learning

ISBN: 9781285740621

Chapter 8.1, Problem 42E

Textbook Problem

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The Gateway Arch in St. Louis (see the photo on page 583) was constructed using the equation

for the central curve of the arch, where *x* and *y* are measured in meters and

To determine

**To estimate:**

The length of the arc correct to the nearest meter.

**1) Concept:**

Use the arc length formula to find the length of the arc.

**2) Formula:**

If

**3) Given:**

**4) Calculation:**

Let,

And

Differentiate

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Ch. 8.1 - Use the arc length formula 3 to find the length of...Ch. 8.1 - Use the arc length formula to find the length of...Ch. 8.1 - Set up an integral that represents the length of...Ch. 8.1 - Set up an integral that represents the length of...Ch. 8.1 - Set up an integral that represents the length of...Ch. 8.1 - Set up an integral that represents the length of...Ch. 8.1 - Set up an integral that represents the length of...Ch. 8.1 - Set up an integral that represents the length of...Ch. 8.1 - Find the exact length of the curve. y=1+6x3/2, 0x1Ch. 8.1 - Find the exact length of the curve....

Ch. 8.1 - Find the exact length of the curve. y=x33+14x,1x2Ch. 8.1 - Find the exact length of the curve. x=y48+14y2,1y2Ch. 8.1 - Find the exact length of the curve. x=13y(y3),1y9Ch. 8.1 - Find the exact length of the curve....Ch. 8.1 - Find the exact length of the curve....Ch. 8.1 - Find the exact length of the curve....Ch. 8.1 - Find the exact length of the curve....Ch. 8.1 - Find the exact length of the curve. y=xx2+sin1(x)Ch. 8.1 - Find the exact length of the curve. y=ln(1x2),0x12Ch. 8.1 - Find the exact length of the curve. y=1ex,0x2Ch. 8.1 - Find the length of the arc of the curve from point...Ch. 8.1 - Find the length of the arc of the curve from point...Ch. 8.1 - Graph the curve and visually estimate its length....Ch. 8.1 - Graph the curve and visually estimate its length....Ch. 8.1 - Use Simpsons Rule with n=10 to estimate the arc...Ch. 8.1 - Use Simpsons Rule with n=10 to estimate the arc...Ch. 8.1 - Use Simpsons Rule with n=10 to estimate the arc...Ch. 8.1 - Use Simpsons Rule with n=10 to estimate the arc...Ch. 8.1 - a Graph the curve y=x4x3,0x4. b Compute the...Ch. 8.1 - Repeat Exercise 29 for the curve y=x+sinx 0x2Ch. 8.1 - Use either a computer algebra system or a table of...Ch. 8.1 - Use either a computer algebra system or a table of...Ch. 8.1 - Sketch the curve with equation x2/3+y2/3=1 and use...Ch. 8.1 - a Sketch the curve y3=x2. b Use Formulas 3 and 4...Ch. 8.1 - Find the arc length function for the curve y=2x3/2...Ch. 8.1 - a Find the arc length function for the curve...Ch. 8.1 - Find the arc length function for the curve...Ch. 8.1 - The arc length function for a curve y=f(x), where...Ch. 8.1 - For the function f(x)=14ex+ex, prove that the arc...Ch. 8.1 - A steady wind blows a kite due west. The kites...Ch. 8.1 - A hawk flying at 15 m/s at an altitude of 180 m...Ch. 8.1 - The Gateway Arch in St. Louis see the photo on...Ch. 8.1 - A manufacturer of corrugated metal roofing wants...Ch. 8.1 - a The figure shows a telephone wire hanging...Ch. 8.1 - Find the length of the curve y=1xt31dt1x4Ch. 8.1 - The curves with equations xn+yn=1, n=4,6,8,...,...Ch. 8.2 - a Set up an integral for the area of the surface...Ch. 8.2 - a Set up an integral for the area of the surface...Ch. 8.2 - a Set up an integral for the area of the surface...Ch. 8.2 - a Set up an integral for the area of the surface...Ch. 8.2 - a Set up an integral for the area of the surface...Ch. 8.2 - a Set up an integral for the area of the surface...Ch. 8.2 - Find the exact area of the surface obtained by...Ch. 8.2 - Find the exact area of the surface obtained by...Ch. 8.2 - Find the exact area of the surface obtained by...Ch. 8.2 - Find the exact area of the surface obtained by...Ch. 8.2 - Find the exact area of the surface obtained by...Ch. 8.2 - Find the exact area of the surface obtained by...Ch. 8.2 - Find the exact area of the surface obtained by...Ch. 8.2 - Find the exact area of the surface obtained by...Ch. 8.2 - The given curve is rotated about the y-axis. Find...Ch. 8.2 - The given curve is rotated about the y-axis. Find...Ch. 8.2 - The given curve is rotated about the y-axis. Find...Ch. 8.2 - The given curve is rotated about the y-axis. Find...Ch. 8.2 - Use Simpsons Rule with n = 10 to approximate the...Ch. 8.2 - Use Simpsons Rule with n = 10 to approximate the...Ch. 8.2 - Use Simpsons Rule with n = 10 to approximate the...Ch. 8.2 - Use Simpsons Rule with n = 10 to approximate the...Ch. 8.2 - Use either a CAS or a table of integrals to find...Ch. 8.2 - Use either a CAS or a table of integrals to find...Ch. 8.2 - Use a CAS to find the exact area of the surface...Ch. 8.2 - Use a CAS to find the exact area of the surface...Ch. 8.2 - If the region ={(x,y)x1,0y1/x} is rotated about...Ch. 8.2 - If the infinite curve y=ex,x0, is rotated about...Ch. 8.2 - a If a 0, find the area of the surface generated...Ch. 8.2 - A group of engineers is building a parabolic...Ch. 8.2 - a The ellipse x2a2+y2b2=1ab is rotated about the...Ch. 8.2 - Find the surface area of the torus in Exercise...Ch. 8.2 - If the curve y=f(x),axb, is rotated about the...Ch. 8.2 - Use the result of Exercise 33 to set up an...Ch. 8.2 - Find the area of the surface obtained by rotating...Ch. 8.2 - a Show that the surface area of a zone of a sphere...Ch. 8.2 - Show that if we rotate the curve y=ex/2+ex/2 about...Ch. 8.2 - Let L be the length of the curve y=f(x),axb, where...Ch. 8.2 - Formula 4 is valid only when f(x)0. Show that when...Ch. 8.3 - An aquarium 5 ft long, 2 ft wide, and 3 ft deep is...Ch. 8.3 - A tank is 8 m long, 4 m wide, 2 m high, and...Ch. 8.3 - A vertical plate is submerged or partially...Ch. 8.3 - A vertical plate is submerged or partially...Ch. 8.3 - A vertical plate is submerged or partially...Ch. 8.3 - A vertical plate is submerged or partially...Ch. 8.3 - A vertical plate is submerged or partially...Ch. 8.3 - A vertical plate is submerged or partially...Ch. 8.3 - A vertical plate is submerged or partially...Ch. 8.3 - A vertical plate is submerged or partially...Ch. 8.3 - A vertical plate is submerged or partially...Ch. 8.3 - A milk truck carries milk with density 64.6lb/ft3...Ch. 8.3 - A trough is filled with a liquid of density...Ch. 8.3 - A vertical dam has a semicircular gate as shown in...Ch. 8.3 - A cube with 20-cm-long sides is sitting on the...Ch. 8.3 - A dam is inclined at an angle of 30 from the...Ch. 8.3 - A swimming pool is 20 ft wide and 40 ft long and...Ch. 8.3 - Suppose that a plate is immersed vertically in a...Ch. 8.3 - A metal plate was found submerged vertically in...Ch. 8.3 - a Use the formula of Exercise 18 to show that...Ch. 8.3 - oint-masse mi are located on the x-axis as shown....Ch. 8.3 - oint-masse mi are located on the x-axis as shown....Ch. 8.3 - The masses mi are located at the points Pi. Find...Ch. 8.3 - The masses mi are located at the points Pi. Find...Ch. 8.3 - Sketch the region bounded by the curves, and...Ch. 8.3 - Sketch the region bounded by the curves, and...Ch. 8.3 - Sketch the region bounded by the curves, and...Ch. 8.3 - Sketch the region bounded by the curves, and...Ch. 8.3 - Find the centroid of the region bounded by the...Ch. 8.3 - Find the centroid of the region bounded by the...Ch. 8.3 - Find the centroid of the region bounded by the...Ch. 8.3 - Find the centroid of the region bounded by the...Ch. 8.3 - Find the centroid of the region bounded by the...Ch. 8.3 - Calculate the moments Mx and My and the center of...Ch. 8.3 - Calculate the moments Mx and My and the center of...Ch. 8.3 - Use Simpsons Rule to estimate the centroid of the...Ch. 8.3 - Find the centroid of the region bounded by the...Ch. 8.3 - Use a graph to find approximate x-coordinates of...Ch. 8.3 - Prove that the centroid of any triangle is located...Ch. 8.3 - Find the centroid of the region shown, not by...Ch. 8.3 - Find the centroid of the region shown, not by...Ch. 8.3 - A rectangle with sides a and b is divided into...Ch. 8.3 - If x is the x-coordinate of the centroid of the...Ch. 8.3 - Use the Theorem of Pappus to find the volume of...Ch. 8.3 - Use the Theorem of Pappus to find the volume of...Ch. 8.3 - Use the Theorem of Pappus to find the volume of...Ch. 8.3 - The centroid of a curve can be found by a process...Ch. 8.3 - The Second Theorem of Pappus is in the same spirit...Ch. 8.3 - Use the Second Theorem of Pappus described in...Ch. 8.3 - Let be the region that lies between the curves...Ch. 8.3 - Prove Formulas 9.Ch. 8.4 - The marginal cost function C(x) was defined to be...Ch. 8.4 - A company estimates that the marginal revenue in...Ch. 8.4 - A mining company estimates that the marginal cost...Ch. 8.4 - The demand functionjbr a particular vacation...Ch. 8.4 - A demand curve is given by p=450/(x+8). Find the...Ch. 8.4 - The supply function ps(x) for a commodity gives...Ch. 8.4 - If a supply curve is modeled by the equation...Ch. 8.4 - In a purely competitive market, the price of a...Ch. 8.4 - The sum of consumer surplus and producer surplus...Ch. 8.4 - A camera company estimates that the demand...Ch. 8.4 - A company modeled the demand curve for its product...Ch. 8.4 - A movie theater has been charging 10.00 per person...Ch. 8.4 - If the amount of capital that a company has at...Ch. 8.4 - If revenue flows into a company at a rate of...Ch. 8.4 - If income is continuously collected at a rate of...Ch. 8.4 - The present value of an income stream is the...Ch. 8.4 - Paretos Law of Income states that the number of...Ch. 8.4 - A hot, wet summer is causing a mosquito population...Ch. 8.4 - Use Poiseuilles Law to calculate the rate of flow...Ch. 8.4 - High blood pressure results from constriction of...Ch. 8.4 - The dye dilution method is used to measure cardiac...Ch. 8.4 - After a 5.5-mg injection of dye, the readings of...Ch. 8.4 - The graph of the concentration function c(t) is...Ch. 8.5 - Let f(x) be the probability density function for...Ch. 8.5 - Let f(t) be the probability density function for...Ch. 8.5 - Let f(x)=30x2(1x)2 for 0x1 and f(x)=0 all other...Ch. 8.5 - The density function f(x)=e3x(1+e3x)2 is an...Ch. 8.5 - Let f(x)=c/(1+x2). a For what value of c is f a...Ch. 8.5 - Let f(x)=k(3xx2) if 0x3 and f(x)=0 if x0 or x3. a...Ch. 8.5 - A spinner from a board game randomly indicates a...Ch. 8.5 - a Explain why the function whose graph is shown is...Ch. 8.5 - Show that the median waiting time for a phone call...Ch. 8.5 - a A type of fight bulb is labeled as having an...Ch. 8.5 - An online retailer has determined that the average...Ch. 8.5 - The time between infection and the display of...Ch. 8.5 - REM sleep is the phase of sleep when most active...Ch. 8.5 - According to the National Health Survey, the...Ch. 8.5 - The Garbage Project at the University of Arizona...Ch. 8.5 - Boxes are labeled as containing 500 g of cereal....Ch. 8.5 - The speeds of vehicles on a highway with speed...Ch. 8.5 - Show that the probability density function for a...Ch. 8.5 - For any normal distribution, find the probability...Ch. 8.5 - The standard deviation for a random variable with...Ch. 8.5 - The hydrogen atom is composed of one proton in the...Ch. 8.R - a How is the length of a curve defined? b Write an...Ch. 8.R - a Write an expression for the surface area of the...Ch. 8.R - Describe how we can find the hydrostatic force...Ch. 8.R - a What is the physical significance of the centre...Ch. 8.R - What does the Theorem of Pappus Say?Ch. 8.R - Given a demand function p(x), explain what is...Ch. 8.R - a What is the cardiac output of the heart? b...Ch. 8.R - What is a probability density function? What...Ch. 8.R - Suppose f(x) is the probability density function...Ch. 8.R - What is a normal distribution? What is the...Ch. 8.R - Find the length of the curve. y=4(x1)3/2,1x4Ch. 8.R - 13 Find the length of the curve. y=2...Ch. 8.R - 13 Find the length of the curve. 12x=4y3+3y1,1y3Ch. 8.R - a Find the length of the curve y=x416+12x21x2 b...Ch. 8.R - Let C be the arc of the curve y=2/(x+1) from the...Ch. 8.R - a The curve y=x2,0x1, is rotated about the y-axis....Ch. 8.R - Use Simpsons Rule with Simpsons Rule with n=10 to...Ch. 8.R - Use Simpsons Rule with Simpsons Rule with n=10 to...Ch. 8.R - Find the length of the curve y=1xt1dt1x16Ch. 8.R - Find the area of the surface obtained by rotating...Ch. 8.R - A gate in an irrigation canal is constructed in...Ch. 8.R - A trough is filled with water and its vertical...Ch. 8.R - 1314 Find the centroid of the region shown.Ch. 8.R - 1314 Find the centroid of the region shown.Ch. 8.R - 1516 Find the centroid of the region bounded by...Ch. 8.R - 1516 Find the centroid of the region bounded by...Ch. 8.R - Find the volume obtained when the circle of radius...Ch. 8.R - Use the Theorem of Pappus and the fact that the...Ch. 8.R - The demand function for a commodity is given by...Ch. 8.R - After a 6-mg injection of dye into a heart, the...Ch. 8.R - a Explain why the function...Ch. 8.R - Lengths of human pregnancies are normally...Ch. 8.R - The length of time spent waiting in line at a...Ch. 8.P - Find the area of the region...Ch. 8.P - Find the centroid of the region enclosed by the...Ch. 8.P - If a sphere of radius r is sliced by a plane whose...Ch. 8.P - a Show that an observer at height H above the...Ch. 8.P - Suppose that the density of seawater, =(z), varies...Ch. 8.P - The figure shows a semicircle with radius 1,...Ch. 8.P - Let P be a pyramid with a square base of side 2b...Ch. 8.P - Consider a flat metal plate to be placed...Ch. 8.P - A uniform disk with radius 1 m is to be cut by a...Ch. 8.P - A triangle with area 30cm2 is cut from a corner of...Ch. 8.P - In a famous 18th-century problem, known as Buffons...Ch. 8.P - If the needle in Problem 11 has length hL, its...Ch. 8.P - Find the centroid of the region enclosed by the...

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