Calculus Volume 2
2nd Edition
ISBN: 9781630182021
Author: Gilbert Strang, Edwin Jed Herman
Publisher: OpenStax College.
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Textbook Question
Chapter 2.6, Problem 3SP
The Grand Canyon Skywalk opened to the public on March 28, 2007. This engineering marvel is a horseshoe-shaped observation platform suspended 4000 ft above the Colorado River on the West Rim of the Grand Canyon. Its crystal-clear glass floor allows stunning views of the canyon below (see the following figure).
The Skywalk is a cantilever design, meaning that the observation platform extends over the rim of the canyon, with no visible means of support below it. Despite the lack of visible support posts or struts, cantilever structures are engineered to be very stable and the Skywalk is no exception. The observation platform is attached firmly to support posts that extend 46 ft down into bedrock. The structure was built to withstand 100-mph winds and an 8.0-magnitude earthquake within 50 mi, and is capable of supporting more than 70,000,000 lb.
One factor affecting the stability of the Skywalk is the center of gravity of the structure. We are going to calculate the center of gravity of the Skywalk, and examine how the center of gravity changes when tourists walk out onto the observation platform.
The observation platform is U-shaped. The legs of the U are 10 ft wide and begin on land, under the visitors' center, 48 ft from the edge of the canyon. The platform extends 70 ft over the edge of the canyon.
To calculate the center of mass of the structure, we treat it as a lamina and use a two-dimensional region in the xy-plane to represent the platform. We begin by dividing the region into three subregions so we can consider each subregion separately. The first region, denoted R1, consists of the curved part of the U. We model R1as a semicircular annulus, with inner radius 25 ft and outer radius 35 ft, centered at the origin (see the following figure).
The legs of the platform, extending 35 ft between R1and the canyon wall, comprise the second sub-region, R2, Last, the ends of the legs, which extend 48 ft under the visitor center, comprise the third sub-region, R3. Assume the density of the lamina is constant and assume the total weight of the platform is 1,200,000 lb (not including the weight of the visitor center; we will consider that later). Use g = 32 ft/sec2.
3.Calculate the center of mass of each of the three sub-regions.
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The cup on the 9th hole of a golf course is located dead center in the middle of a circular green which is 40 feet in radius. Your ball is located as in the picture below. The ball follows a straight line path and exits the green at the right-most edge. Assume the ball travels 8 ft/sec.
Introduce coordinates so that the cup is the origin of an xy-coordinate system and start by writing down the equations of the circle and the linear path of the ball. Provide numerical answers below with two decimal places of accuracy.
50 feet
green
ball
40 feet
9
cup
ball path
rough
(a) The x-coordinate of the position where the ball enters the green will be
(b) The ball will exit the green exactly
seconds after it is hit.
(c) Suppose that L is a line tangent to the boundary of the golf green and parallel to the path of the ball. Let Q be the point where the line is tangent to the circle. Notice that there are two possible positions for Q. Find the possible x-coordinates of Q:
smallest x-coordinate =…
Chapter 2 Solutions
Calculus Volume 2
Ch. 2.1 - For the following exercises, determine the area of...Ch. 2.1 - For the following exercises, determine the area of...Ch. 2.1 - For the following exercises, split the region...Ch. 2.1 - For the following exercises, split the region...Ch. 2.1 - For the following exercises, determine the area of...Ch. 2.1 - For the following exercises, determine the area of...Ch. 2.1 - For the following exercises, graph the equations...Ch. 2.1 - For the following exercises, graph the equations...Ch. 2.1 - For the following exercises, graph the equations...Ch. 2.1 - For the following exercises, graph the equations...
Ch. 2.1 - For the following exercises, graph the equations...Ch. 2.1 - For the following exercises, graph the equations...Ch. 2.1 - For the following exercises, graph the equations...Ch. 2.1 - For the following exercises, graph the equations...Ch. 2.1 - For the following exercises, graph the equations...Ch. 2.1 - For the following exercises, graph the equations...Ch. 2.1 - For the following exercises, graph the equations...Ch. 2.1 - For the following exercises, graph the equations...Ch. 2.1 - For the following exercises, graph the equations...Ch. 2.1 - For the following exercises, graph the equations...Ch. 2.1 - For the following exercises, graph the equations...Ch. 2.1 - For the following exercises, graph the equations...Ch. 2.1 - For the following exercises, graph the equations...Ch. 2.1 - For the following exercises, graph the equations...Ch. 2.1 - For the following exercises, graph the equations...Ch. 2.1 - For the following exercises, graph the equations...Ch. 2.1 - For the following exercises, graph the equations...Ch. 2.1 - For the following exercises, graph the equations...Ch. 2.1 - For the following exercises, graph the equations...Ch. 2.1 - For the following exercises, graph the equations...Ch. 2.1 - For the following exercises, graph the equations...Ch. 2.1 - For the following exercises, graph the equations...Ch. 2.1 - For the following exercises, graph the equations...Ch. 2.1 - For the following exercises, graph the equations...Ch. 2.1 - For the following exercises, graph the equations...Ch. 2.1 - For the following exercises, graph the equations...Ch. 2.1 - For the following exercises, graph the equations...Ch. 2.1 - For the following exercises, find the exact area...Ch. 2.1 - For the following exercises, find the exact area...Ch. 2.1 - For the following exercises, find the exact area...Ch. 2.1 - For the following exercises, find the exact area...Ch. 2.1 - For the following exercises, find the exact area...Ch. 2.1 - For the following exercises, find the exact area...Ch. 2.1 - For the following exercises, find the exact area...Ch. 2.1 - For the following exercises, find the exact area...Ch. 2.1 - For the following exercises, find the exact area...Ch. 2.1 - For the following exercises, find the exact area...Ch. 2.1 - The largest triangle with a base on the x- axis...Ch. 2.1 - A factory selling cell phones has a marginal cost...Ch. 2.1 - An amusement park has a marginal cost function...Ch. 2.1 - The tortoise versus the hare: The speed of the...Ch. 2.1 - The tortoise versus the hare: The speed of the...Ch. 2.1 - For the following exercises, find the area between...Ch. 2.1 - For the following exercises, find the area between...Ch. 2.1 - For the following exercises, find the area between...Ch. 2.1 - For the following exercises, solve using calculus,...Ch. 2.1 - For the following exercises, solve using calculus,...Ch. 2.2 - Derive the formula for the volume of a sphere...Ch. 2.2 - Use the slicing method to derive the formula for...Ch. 2.2 - Use the slicing method to derive the formula for...Ch. 2.2 - Use the disk method to derive the formula for the...Ch. 2.2 - Explain when you would use the disk method versus...Ch. 2.2 - For the following exercises, draw a typical slice...Ch. 2.2 - For the following exercises, draw a typical slice...Ch. 2.2 - For the following exercises, draw a typical slice...Ch. 2.2 - For the following exercises, draw a typical slice...Ch. 2.2 - For the following exercises, draw a typical slice...Ch. 2.2 - For the following exercises, draw an outline of...Ch. 2.2 - For the following exercises, draw an outline of...Ch. 2.2 - For the following exercises, draw an outline of...Ch. 2.2 - For the following exercises, draw an outline of...Ch. 2.2 - For the following exercises, draw an outline of...Ch. 2.2 - For the following exercises, draw an outline of...Ch. 2.2 - For the following exercises, draw the region...Ch. 2.2 - For the following exercises, draw the region...Ch. 2.2 - For the following exercises, draw the region...Ch. 2.2 - For the following exercises, draw the region...Ch. 2.2 - For the following exercises, draw the region...Ch. 2.2 - For the following exercises, draw the region...Ch. 2.2 - For the following exercises, draw the region...Ch. 2.2 - For the following exercises, draw the region...Ch. 2.2 - For the following exercises, draw the region...Ch. 2.2 - For the following exercises, draw the region...Ch. 2.2 - For the following exercises, draw the region...Ch. 2.2 - For the following exercises, draw the region...Ch. 2.2 - For the following exercises, draw the region...Ch. 2.2 - For the following exercises, draw the region...Ch. 2.2 - For the following exercises, draw the region...Ch. 2.2 - For the following exercises, draw the region...Ch. 2.2 - For the following exercises, draw the region...Ch. 2.2 - For the following exercises, draw the region...Ch. 2.2 - For the following exercises, draw the region...Ch. 2.2 - For the following exercises, draw the region...Ch. 2.2 - For the following exercises, draw the region...Ch. 2.2 - For the following exercises, draw the region...Ch. 2.2 - For the following exercises, draw the region...Ch. 2.2 - For the following exercises, draw the region...Ch. 2.2 - For the following exercises, draw the region...Ch. 2.2 - For the following exercises, draw the region...Ch. 2.2 - For the following exercises, draw the region...Ch. 2.2 - For the following exercises, draw the region...Ch. 2.2 - For the following exercises, draw the region...Ch. 2.2 - Yogurt containers can be shaped like frustums....Ch. 2.2 - Rotate the ellipse (x2/a2)+(y2/b2)=1 around the...Ch. 2.2 - Rotate the ellipse (x2/a2)+(y2/b2)=1 around the...Ch. 2.2 - A better approximation of the volume of a football...Ch. 2.2 - What is the volume of the Bundt cake that comes...Ch. 2.2 - For the following exercises, find the volume of...Ch. 2.2 - For the following exercises, find the volume of...Ch. 2.2 - For the following exercises, find the volume of...Ch. 2.2 - For the following exercises, find the volume of...Ch. 2.2 - For the following exercises, find the volume of...Ch. 2.2 - For the following exercises, find the volume of...Ch. 2.3 - For the following exercise, find the volume...Ch. 2.3 - For the following exercise, find the volume...Ch. 2.3 - For the following exercise, find the volume...Ch. 2.3 - For the following exercise, find the volume...Ch. 2.3 - For the following exercise, find the volume...Ch. 2.3 - For the following exercise, find the volume...Ch. 2.3 - For the following exercises, use shells to find...Ch. 2.3 - For the following exercises, use shells to find...Ch. 2.3 - For the following exercises, use shells to find...Ch. 2.3 - For the following exercises, use shells to find...Ch. 2.3 - For the following exercises, use shells to find...Ch. 2.3 - For the following exercises, use shells to find...Ch. 2.3 - For the following exercises, use shells to find...Ch. 2.3 - For the following exercises, use shells to find...Ch. 2.3 - For the following exercises, use shells to find...Ch. 2.3 - For the following exercises, use shells to find...Ch. 2.3 - For the following exercises, use shells to find...Ch. 2.3 - For the following exercises, use shells to find...Ch. 2.3 - For the following exercises, use shells to find...Ch. 2.3 - For the following exercises, use shells to find...Ch. 2.3 - For the following exercises, use shells to find...Ch. 2.3 - For the following exercises, use shells to find...Ch. 2.3 - For the following exercises, use shells to find...Ch. 2.3 - For the following exercises, use shells to find...Ch. 2.3 - For the following exercises, use shells to find...Ch. 2.3 - For the following exercises, use shells to find...Ch. 2.3 - For the following exercises, find the volume...Ch. 2.3 - For the following exercises, find the volume...Ch. 2.3 - For the following exercises, find the volume...Ch. 2.3 - For the following exercises, find the volume...Ch. 2.3 - For the following exercises, find the volume...Ch. 2.3 - For the following exercises, find the volume...Ch. 2.3 - For the following exercises, find the volume...Ch. 2.3 - For the following exercises, find the volume...Ch. 2.3 - For the following exercises, find the volume...Ch. 2.3 - For the following exercises, find the volume...Ch. 2.3 - 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For the following exercises, find the Length of...Ch. 2.4 - Pick an arbitrary linear function x = g(y) over...Ch. 2.4 - Find the surface area of the volume generated when...Ch. 2.4 - Find the surface area of the volume generated when...Ch. 2.4 - For the following exercises, find the lengths of...Ch. 2.4 - For the following exercises, find the lengths of...Ch. 2.4 - For the following exercises, find the lengths of...Ch. 2.4 - For the following exercises, find the lengths of...Ch. 2.4 - For the following exercises, find the lengths of...Ch. 2.4 - For the following exercises, find the lengths of...Ch. 2.4 - For the following exercises, find the lengths of...Ch. 2.4 - For the following exercises, find the lengths of...Ch. 2.4 - For the following exercises, find the lengths of...Ch. 2.4 - For the following exercises, find the lengths of...Ch. 2.4 - For the following exercises, find the Lengths of...Ch. 2.4 - For the following exercises, find the Lengths of...Ch. 2.4 - For the following exercises, find the Lengths of...Ch. 2.4 - For the following exercises, find the Lengths of...Ch. 2.4 - For the following exercises, find the Lengths of...Ch. 2.4 - For the following exercises, find the Lengths of...Ch. 2.4 - For the following exercises, find the Lengths of...Ch. 2.4 - For the following exercises, find the Lengths of...Ch. 2.4 - For the following exercises, find the Lengths of...Ch. 2.4 - For the following exercises, find the Lengths of...Ch. 2.4 - For the following exercises, find the surface area...Ch. 2.4 - For the following exercises, find the surface area...Ch. 2.4 - For the following exercises, find the surface area...Ch. 2.4 - For the following exercises, find the surface area...Ch. 2.4 - For the following exercises, find the surface area...Ch. 2.4 - For the following exercises, find the surface area...Ch. 2.4 - For the following exercises, find the surface area...Ch. 2.4 - For the following exercises, find the surface area...Ch. 2.4 - For the following exercises, find the surface area...Ch. 2.4 - For the following exercises, find the surface area...Ch. 2.4 - For the following exercises, find the surface area...Ch. 2.4 - For the following exercises, find the surface area...Ch. 2.4 - For the following exercises, find the surface area...Ch. 2.4 - For the following exercises, find the surface area...Ch. 2.4 - For the following exercises, find the surface area...Ch. 2.4 - For the following exercises, find the surface area...Ch. 2.4 - The base of a lamp is constructed by revolving a...Ch. 2.4 - [T] A lampshade is constructed by rotating y =1/x...Ch. 2.4 - [T] An anchor drags behind a boat according to the...Ch. 2.4 - [T] You are building a bridge that will span 10...Ch. 2.4 - For the following exercises, find the exact are...Ch. 2.4 - For the following exercises, find the exact are...Ch. 2.4 - For the following exercises, find the exact are...Ch. 2.4 - For the following exercises, find the exact are...Ch. 2.4 - For the following exercises, find the exact are...Ch. 2.4 - For the following exercises, find the exact are...Ch. 2.5 - For the following exercises, find the work done....Ch. 2.5 - For the following exercises, find the work done....Ch. 2.5 - For the following exercises, find the work done....Ch. 2.5 - For the following exercises, find the work done....Ch. 2.5 - For the following exercises, find the work done....Ch. 2.5 - For the following exercises, find the work done....Ch. 2.5 - For the following exercises, find the mass of the...Ch. 2.5 - For the following exercises, find the mass of the...Ch. 2.5 - For the following exercises, find the mass of the...Ch. 2.5 - For the following exercises, find the mass of the...Ch. 2.5 - For the following exercises, find the mass of the...Ch. 2.5 - For the following exercises, find the mass of the...Ch. 2.5 - For the following exercises, find the mass of the...Ch. 2.5 - For the following exercises, find the mass of the...Ch. 2.5 - For the following exercises, find the mass of the...Ch. 2.5 - For the following exercises, find the mass of the...Ch. 2.5 - For the following exercises, find the mass of the...Ch. 2.5 - For the following exercises, find the mass of the...Ch. 2.5 - For the following exercises, find the mass of the...Ch. 2.5 - For the following exercises, find the mass of the...Ch. 2.5 - For the following exercises, find the mass of the...Ch. 2.5 - For the following exercises, find the mass of the...Ch. 2.5 - For the following exercises, find the mass of the...Ch. 2.5 - For the following exercises, find the mass of the...Ch. 2.5 - For the following exercises, find the mass of the...Ch. 2.5 - For the following exercises, find the mass of the...Ch. 2.5 - For the following exercises, find the mass of the...Ch. 2.5 - For the following exercises, find the mass of the...Ch. 2.5 - For the following exercises, find the mass of the...Ch. 2.5 - For the following exercises, find the mass of the...Ch. 2.5 - For the following exercises, find the mass of the...Ch. 2.5 - For the following exercises, find the mass of the...Ch. 2.5 - For the following exercises, find the mass of the...Ch. 2.5 - For the following exercises, find the mass of the...Ch. 2.5 - For the following exercises, find the mass of the...Ch. 2.5 - For the following exercises, find the mass of the...Ch. 2.6 - The Grand Canyon Skywalk opened to the public on...Ch. 2.6 - The Grand Canyon Skywalk opened to the public on...Ch. 2.6 - The Grand Canyon Skywalk opened to the public on...Ch. 2.6 - The Grand Canyon Skywalk opened to the public on...Ch. 2.6 - The Grand Canyon Skywalk opened to the public on...Ch. 2.6 - The Grand Canyon Skywalk opened to the public on...Ch. 2.6 - For the following exercises, calculate the center...Ch. 2.6 - For the following exercises, calculate the center...Ch. 2.6 - For the following exercises, calculate the center...Ch. 2.6 - For the following exercises, calculate the center...Ch. 2.6 - For the following exercises, calculate the center...Ch. 2.6 - For the following exercises, calculate the center...Ch. 2.6 - For the following exercises, compute the center of...Ch. 2.6 - For the following exercises, compute the center of...Ch. 2.6 - For the following exercises, compute the center of...Ch. 2.6 - For the following exercises, compute the center of...Ch. 2.6 - For the following exercises, compute the center of...Ch. 2.6 - For the following exercises, compute the center of...Ch. 2.6 - For the following exercises, compute the center of...Ch. 2.6 - For the following exercises, compute the center of...Ch. 2.6 - For the following exercises, compute the center of...Ch. 2.6 - For the following exercises, compute the center of...Ch. 2.6 - For the following exercises, compute the center of...Ch. 2.6 - For the following exercises, compute the center of...Ch. 2.6 - For the following exercises, compute the center of...Ch. 2.6 - For the following exercises, use a calculator to...Ch. 2.6 - For the following exercises, use a calculator to...Ch. 2.6 - For the following exercises, use a calculator to...Ch. 2.6 - For the following exercises, use a calculator to...Ch. 2.6 - For the following exercises, use a calculator to...Ch. 2.6 - For the following exercises, use a calculator to...Ch. 2.6 - For the following exercises, use a calculator to...Ch. 2.6 - For the following exercises, use the theorem of...Ch. 2.6 - For the following exercises, use the theorem of...Ch. 2.6 - For the following exercises, use the theorem of...Ch. 2.6 - For the following exercises, use the theorem of...Ch. 2.6 - For the following exercises, use the theorem of...Ch. 2.6 - For the following exercises, use a calculator to...Ch. 2.6 - For the following exercises, use a calculator to...Ch. 2.6 - For the following exercises, use a calculator to...Ch. 2.6 - For the following exercises, use a calculator to...Ch. 2.6 - For the following exercises, use a calculator to...Ch. 2.6 - Find the generalized center of mass in the sliver...Ch. 2.6 - Find the generalized center of mass between y =...Ch. 2.6 - Find the generalized center of mass between y = b...Ch. 2.6 - Use the theorem of Pappus to find the volume of a...Ch. 2.6 - Find the center of mass (x,y) for a thin wire...Ch. 2.7 - For the following exercises, find the derivative...Ch. 2.7 - For the following exercises, find the derivative...Ch. 2.7 - For the following exercises, find the derivative...Ch. 2.7 - For the following exercises, find the indefinite...Ch. 2.7 - For the following exercises, find the indefinite...Ch. 2.7 - For the following exercises, find the derivative...Ch. 2.7 - For the following exercises, find the derivative...Ch. 2.7 - For the following exercises, find the derivative...Ch. 2.7 - For the following exercises, find the derivative...Ch. 2.7 - For the following exercises, find the derivative...Ch. 2.7 - For the following exercises, find the derivative...Ch. 2.7 - For the following exercises, find the derivative...Ch. 2.7 - For the following exercises, find the derivative...Ch. 2.7 - For the following exercises, find the derivative...Ch. 2.7 - For the following exercises, find the derivative...Ch. 2.7 - For the following exercises, find the definite or...Ch. 2.7 - For the following exercises, find the definite or...Ch. 2.7 - For the following exercises, find the definite or...Ch. 2.7 - For the following exercises, find the definite or...Ch. 2.7 - For the following exercises, find the definite or...Ch. 2.7 - For the following exercises, find the definite or...Ch. 2.7 - For the following exercises, find the definite or...Ch. 2.7 - For the following exercises, find the definite or...Ch. 2.7 - For the following exercises, find the definite or...Ch. 2.7 - For the following exercises, find the definite or...Ch. 2.7 - Forthe following exercises, compute dy/dx by...Ch. 2.7 - Forthe following exercises, compute dy/dx by...Ch. 2.7 - Forthe following exercises, compute dy/dx by...Ch. 2.7 - Forthe following exercises, compute dy/dx by...Ch. 2.7 - Forthe following exercises, compute dy/dx by...Ch. 2.7 - Forthe following exercises, compute dy/dx by...Ch. 2.7 - Forthe following exercises, compute dy/dx by...Ch. 2.7 - Forthe following exercises, compute dy/dx by...Ch. 2.7 - Forthe following exercises, compute dy/dx by...Ch. 2.7 - Forthe following exercises, compute dy/dx by...Ch. 2.7 - For the following exercises, evaluate by any...Ch. 2.7 - For the following exercises, evaluate by any...Ch. 2.7 - For the following exercises, evaluate by any...Ch. 2.7 - For the following exercises, evaluate by any...Ch. 2.7 - For the following exercises, evaluate by any...Ch. 2.7 - For the following exercises, use the function ln...Ch. 2.7 - For the following exercises, use the function ln...Ch. 2.7 - For the following exercises, use the function ln...Ch. 2.7 - For the following exercises, use the function ln...Ch. 2.7 - For the following exercises, use the function ln...Ch. 2.7 - Find the area of the hyperbolic quarter-circle...Ch. 2.7 - If you are unable to find intersection points...Ch. 2.7 - If you are unable to find intersection points...Ch. 2.7 - For the following exercises, verify the...Ch. 2.7 - For the following exercises, verify the...Ch. 2.7 - For the following exercises, verify the...Ch. 2.7 - For the following exercises, verify the...Ch. 2.7 - For the following exercises, verify the...Ch. 2.8 - True or False? If true, prove it. If false, find...Ch. 2.8 - True or False? If true, prove it. If false, find...Ch. 2.8 - True or False? If true, prove it. If false, find...Ch. 2.8 - True or False? If true, prove it. If false, find...Ch. 2.8 - For the following exercises, use y=y0ekt . 352.If...Ch. 2.8 - For the following exercises, use y=y0ekt . 353.If...Ch. 2.8 - For the following exercises, use y=y0ekt . 354.How...Ch. 2.8 - For the following exercises, use y=y0ekt . 355. If...Ch. 2.8 - For the following exercises, use y=y0ekt . 356....Ch. 2.8 - For the following exercises, use y=y0ekt . 357.The...Ch. 2.8 - For the following exercises, use y=y0ekt ....Ch. 2.8 - For the following exercises, use y=y0ekt . 359....Ch. 2.8 - For the following exercises, use y=y0ekt . 360.If...Ch. 2.8 - For the following exercises, use y=y0ekt . 361.If...Ch. 2.8 - For the following exercises, use y=y0ekt . 362. 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