Exam 6: Applications of Integration

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Solve the problem. -A water tank is shaped like an inverted cone with height 18 m and base radius 3 m (see figure). If the tank is full, how much work is required to pump the water to the level of the top of the tank and out of the tank? Express the answer in terms of π\pi .  Solve the problem.    -A water tank is shaped like an inverted cone with height 18 m and base radius 3 m (see figure). If the tank is full, how much work is required to pump the water to the level of the top of the tank and out of the tank? Express the answer in terms of  \pi .

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Set up an integral for the length of the curve. -y =  Set up an integral for the length of the curve. -y =   , 0 \le  x  \le  1 , 0 \le x \le 1

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Solve the problem. -A right circular cylinder is obtained by revolving the region enclosed by the line x = r, the x-axis, and the line Solve the problem. -A right circular cylinder is obtained by revolving the region enclosed by the line x = r, the x-axis, and the line   about the y-axis. Find the volume of the cylinder. about the y-axis. Find the volume of the cylinder.

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Find the area enclosed by the given curves. -Find the area of the region in the first quadrant bounded on the left by the y-axis, below by the line Find the area enclosed by the given curves. -Find the area of the region in the first quadrant bounded on the left by the y-axis, below by the line   above left by y = x + 4, and above right by y = -   + 10. above left by y = x + 4, and above right by y = - Find the area enclosed by the given curves. -Find the area of the region in the first quadrant bounded on the left by the y-axis, below by the line   above left by y = x + 4, and above right by y = -   + 10. + 10.

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Find the volume of the solid generated by revolving the shaded region about the given axis. -About the y-axis Find the volume of the solid generated by revolving the shaded region about the given axis.   -About the y-axis    Find the volume of the solid generated by revolving the shaded region about the given axis.   -About the y-axis

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Find the length of the curve. -y = Find the length of the curve. -y =   (   - 2   ) from x = 1 to x = 8 ( Find the length of the curve. -y =   (   - 2   ) from x = 1 to x = 8 - 2 Find the length of the curve. -y =   (   - 2   ) from x = 1 to x = 8 ) from x = 1 to x = 8

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Find the volume of the solid generated by revolving the region bounded by the given lines and curves about the  Find the volume of the solid generated by revolving the region bounded by the given lines and curves about the   -y =   , y = 0, 0  \le  x  \le    -y =  Find the volume of the solid generated by revolving the region bounded by the given lines and curves about the   -y =   , y = 0, 0  \le  x  \le    , y = 0, 0 \le x \le  Find the volume of the solid generated by revolving the region bounded by the given lines and curves about the   -y =   , y = 0, 0  \le  x  \le

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A 1.5-mm layer of paint is applied to one side of the following surfaces. Find the volume of paint needed. Assume that x and y are measured in meters. -The spherical zone generated when the curve y = A 1.5-mm layer of paint is applied to one side of the following surfaces. Find the volume of paint needed. Assume that x and y are measured in meters. -The spherical zone generated when the curve y =   on the interval [ 4, 7] is revolved about the x-axis. on the interval [ 4, 7] is revolved about the x-axis.

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Solve the problem. -The disk  Solve the problem. -The disk   +    \le  1 is revolved about the y-axis to generate a torus. Find its volume. (Hint:   =    \pi , since it is the area of a semicircle of radius 1.) +  Solve the problem. -The disk   +    \le  1 is revolved about the y-axis to generate a torus. Find its volume. (Hint:   =    \pi , since it is the area of a semicircle of radius 1.) \le 1 is revolved about the y-axis to generate a torus. Find its volume. (Hint:  Solve the problem. -The disk   +    \le  1 is revolved about the y-axis to generate a torus. Find its volume. (Hint:   =    \pi , since it is the area of a semicircle of radius 1.) =  Solve the problem. -The disk   +    \le  1 is revolved about the y-axis to generate a torus. Find its volume. (Hint:   =    \pi , since it is the area of a semicircle of radius 1.) π\pi , since it is the area of a semicircle of radius 1.)

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Set up an integral for the length of the curve. -x = 6 tan y, 0 \le y \le  Set up an integral for the length of the curve. -x = 6 tan y, 0  \le  y  \le

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Find the area of the shaded region. -Find the area of the shaded region.           -

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Find the volume of the solid generated by revolving the region about the y-axis. -The region enclosed by x =  Find the volume of the solid generated by revolving the region about the y-axis. -The region enclosed by x =   , 0  \le  y  \le   , x = 0 , 0 \le y \le  Find the volume of the solid generated by revolving the region about the y-axis. -The region enclosed by x =   , 0  \le  y  \le   , x = 0 , x = 0

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Solve the problem. -A 20-m-long chain hangs vertically from a cylinder attached to a winch. Assume there is no friction in the system and that the chain has a density of 10 kg/m. How much work is required to wind the entire chain onto the cylinder using the winch?

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Use the shell method to find the volume of the solid generated by revolving the region bounded by the given curves and lines about the y-axis. -y = 9 Use the shell method to find the volume of the solid generated by revolving the region bounded by the given curves and lines about the y-axis. -y = 9   , y = 9  , y = 9 Use the shell method to find the volume of the solid generated by revolving the region bounded by the given curves and lines about the y-axis. -y = 9   , y = 9

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Use the shell method to find the volume of the solid generated by revolving the shaded region about the indicated axis. -About the y-axis Use the shell method to find the volume of the solid generated by revolving the shaded region about the indicated axis.  -About the y-axis

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Find the volume of the solid generated by revolving the region about the y-axis. -The region enclosed by x = 2tan Find the volume of the solid generated by revolving the region about the y-axis. -The region enclosed by x = 2tan   , x = 0, y = -  , x = 0, y = - Find the volume of the solid generated by revolving the region about the y-axis. -The region enclosed by x = 2tan   , x = 0, y = -

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Find the volume of the solid generated by revolving the region about the given axis. Use the shell or washer method. -The region in the first quadrant bounded by x = 5y - Find the volume of the solid generated by revolving the region about the given axis. Use the shell or washer method. -The region in the first quadrant bounded by x = 5y -   and the y-axis about the line x = -1 and the y-axis about the line x = -1

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Solve the problem. -How much work is required to move an object from x = 0 to x = 6 (measured in meters) in the presence of a constant force of 10 N acting along the x-axis?

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Find the volume of the solid generated by revolving the region bounded by the given lines and curves about the Find the volume of the solid generated by revolving the region bounded by the given lines and curves about the   -y =   , y = 0, x = 0, x = 8 -y = Find the volume of the solid generated by revolving the region bounded by the given lines and curves about the   -y =   , y = 0, x = 0, x = 8 , y = 0, x = 0, x = 8

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Find the area of the shaded region. -Find the area of the shaded region.           -

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