Exam 6: Applications of Integration

arrow
  • Select Tags
search iconSearch Question
  • Select Tags

Find the exact value of the arc length of the function f(x)=2x3/2f ( x ) = 2 x ^ { 3 / 2 } on the interval [0, 2] using a definite integral.

Free
(Short Answer)
4.8/5
(40)
Correct Answer:
Verified

6.06

Consider the region between the graph of f(x)=x1f ( x ) = \sqrt { x - 1 } and the x-axis on the interval [1, 5]. -Using four shells approximate the volume of the solid that is obtained by revolving this region around the vertical line x = 5.

Free
(Multiple Choice)
4.7/5
(33)
Correct Answer:
Verified

B

Find the work required to pump the upper 3 feet of the water out of the top of an upright conical tank with top radius 4 feet and height 6 feet.

Free
(Short Answer)
4.8/5
(36)
Correct Answer:
Verified

2059.2 π\pi lb-ft.

Consider the region between the graph of f(x)=1x2f ( x ) = 1 - x ^ { 2 } and the line y = 2 on the interval [0, 1]. -Use the shell method to construct definite integrals to find the volume of the solid that is obtained by revolving this region around the vertical line x = 1.

(Multiple Choice)
4.7/5
(34)

A cone-shaped water tank with top radius 4 feet and height 6 feet is on an 8-ft-high platform. Find the work done to fill this depot completely through an opening at the bottom of the tank if we pump the water from the ground level.

(Short Answer)
4.7/5
(28)

Find the work required to pump all of the water out of the top of a tank and up to the ground level, given that the tank is an upright cylinder with radius 4 feet and height 8 feet, buried so that its top is 2 feet below the surface.

(Short Answer)
4.7/5
(37)

Find the exact value of the arc length of the function f(x)=2x+3f ( x ) = 2 x + 3 on the interval [-2, 3] using a definite integral.

(Multiple Choice)
4.7/5
(39)

Consider the region between the graphs of f(x)=x2f ( x ) = x ^ { 2 } and g(x)=3xg ( x ) = 3 x on the interval [0, 3]. -Use disk/washer method to construct definite integrals to find the volume of the solid that is obtained by revolving this region around the vertical line x = 4.

(Multiple Choice)
4.9/5
(37)

Use definite integrals to find the centroid of the region bounded by the graphs of f(x)=2x2f ( x ) = 2 - x ^ { 2 } , f(x)=xf ( x ) = x , and the y-axis.

(Essay)
4.8/5
(36)

Use separation of variables to solve the initial value problem: dydx=yx2+1\frac { d y } { d x } = \frac { y } { x ^ { 2 } + 1 } , y(1)=1y ( 1 ) = 1

(Essay)
4.8/5
(28)

Consider the region between the graph of f(x)=x1f ( x ) = \sqrt { x - 1 } and the x-axis on the interval [1, 5]. -Using four shells approximate the volume of the solid that is obtained by revolving this region around the y-axis.

(Multiple Choice)
4.7/5
(35)

Find the mass of a 20-inch rod whose cross section is a 2 × 2 inch square, with density × inches from the left end given by ρ(x)=3.6+0.6x0.03x2\rho ( x ) = 3.6 + 0.6 x - 0.03 x ^ { 2 } grams per cubic inch.

(Multiple Choice)
4.9/5
(28)

Consider the region between the graphs of f(x)=x2f ( x ) = x ^ { 2 } and g(x)=3xg ( x ) = 3 x on the interval [0, 3]. -Use disk/washer method to construct definite integrals to find the volume of the solid that is obtained by revolving this region around the y-axis.

(Multiple Choice)
4.7/5
(41)

Find the hydrostatic force exerted on one of the long sides of a rectangular water tank that is 6 feet wide, 10 feet long, and 4 feet deep.

(Short Answer)
5.0/5
(34)

Consider the region between the graph of f(x)=x1f ( x ) = \sqrt { x - 1 } and the x-axis on the interval [1,5]. -Using four disks or washers approximate the volume of the solid that is obtained by revolving this region around the x-axis.

(Multiple Choice)
4.8/5
(26)

Use separation of variables to solve the differential equation: dydx=x3e2y\frac { d y } { d x } = x ^ { 3 } e ^ { - 2 y }

(Essay)
4.8/5
(31)

Find the exact value of the arc length of the function f(x)=ln(sinx)f ( x ) = \ln ( \sin x ) on the interval [ π\pi /4, π\pi /2] using a definite integral.

(Short Answer)
4.7/5
(38)

Find the exact value of the arc length of the function f(x)=3cosxf ( x ) = 3 \cos x on the interval [0, π\pi ] using a definite integral.

(Short Answer)
4.7/5
(36)

Consider the region between the graph of f(x)=1x2f ( x ) = 1 - x ^ { 2 } and the line y = 2 on the interval [0, 1]. -Use disk/washer method to construct definite integrals to find the volume of the solid that is obtained by revolving this region around the horizontal line y = 2.

(Multiple Choice)
4.8/5
(39)

Use definite integrals to find the area of the surface of revolution obtained by revolving f(x)=cosxf ( x ) = \cos x around the x-axis on the interval [ π\pi /2, 3 π\pi /2].

(Multiple Choice)
4.9/5
(36)
Showing 1 - 20 of 80
close modal

Filters

  • Essay(0)
  • Multiple Choice(0)
  • Short Answer(0)
  • True False(0)
  • Matching(0)