Exam 7: Applications of Integration

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Find the volume common to two spheres, each with radius r = Find the volume common to two spheres, each with radius r =   if the center of each sphere lies on the surface of the other sphere. if the center of each sphere lies on the surface of the other sphere.

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Calculate the center of mass of the lamina with density Calculate the center of mass of the lamina with density   =   .  = Calculate the center of mass of the lamina with density   =   .  . Calculate the center of mass of the lamina with density   =   .

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

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A swimming pool is 10 ft wide and 36 ft long and its bottom is an inclined plane, the shallow end having a depth of A swimming pool is 10 ft wide and 36 ft long and its bottom is an inclined plane, the shallow end having a depth of   ft and the deep end, 12 ft. If the pool is full of water, find the hydrostatic force on the shallow end. (Use the fact that water weighs 62.5 lb/   .) ft and the deep end, 12 ft. If the pool is full of water, find the hydrostatic force on the shallow end. (Use the fact that water weighs 62.5 lb/ A swimming pool is 10 ft wide and 36 ft long and its bottom is an inclined plane, the shallow end having a depth of   ft and the deep end, 12 ft. If the pool is full of water, find the hydrostatic force on the shallow end. (Use the fact that water weighs 62.5 lb/   .) .)

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Racing cars driven by Chris and Kelly are side by side at the start of a race. The table shows the velocities of each car (in miles per hour) during the first ten seconds of the race. Use the Midpoint Rule to estimate how much farther Kelly travels than Chris does during the first ten seconds. Racing cars driven by Chris and Kelly are side by side at the start of a race. The table shows the velocities of each car (in miles per hour) during the first ten seconds of the race. Use the Midpoint Rule to estimate how much farther Kelly travels than Chris does during the first ten seconds.

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The base of S is a circular region with boundary curve The base of S is a circular region with boundary curve   Cross-sections perpendicular to the x axis are isosceles right triangles with hypotenuse in the base.Find the volume of S. Cross-sections perpendicular to the x axis are isosceles right triangles with hypotenuse in the base.Find the volume of S.

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You are given the shape of the vertical ends of a trough that is completely filled with water. Find the force exerted by the water on one end of the trough. (The weight density of water is 62.4 lb/ft3.) You are given the shape of the vertical ends of a trough that is completely filled with water. Find the force exerted by the water on one end of the trough. (The weight density of water is 62.4 lb/ft<sup>3</sup>.)

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Set up, but do not evaluate, an integral for the length of the curve. Set up, but do not evaluate, an integral for the length of the curve.

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Graph the region between the curves and use your calculator to compute the area correct to five decimal places. Graph the region between the curves and use your calculator to compute the area correct to five decimal places.

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Find the volume of the solid obtained by rotating the region bounded by Find the volume of the solid obtained by rotating the region bounded by   and   about the line  and Find the volume of the solid obtained by rotating the region bounded by   and   about the line  about the line Find the volume of the solid obtained by rotating the region bounded by   and   about the line

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Find the volume of a pyramid with height Find the volume of a pyramid with height   and base an equilateral triangle with side a =   .  and base an equilateral triangle with side a = Find the volume of a pyramid with height   and base an equilateral triangle with side a =   .  . Find the volume of a pyramid with height   and base an equilateral triangle with side a =   .

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Solve the differential equation. Solve the differential equation.

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Find the area of the surface obtained by rotating the curve about the Find the area of the surface obtained by rotating the curve about the   -axis.  -axis. Find the area of the surface obtained by rotating the curve about the   -axis.

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Find the center of mass of a lamina in the shape of a quarter-circle with radius Find the center of mass of a lamina in the shape of a quarter-circle with radius   with density   =   .  with density Find the center of mass of a lamina in the shape of a quarter-circle with radius   with density   =   .  = Find the center of mass of a lamina in the shape of a quarter-circle with radius   with density   =   .  . Find the center of mass of a lamina in the shape of a quarter-circle with radius   with density   =   .

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A tank contains A tank contains   L of brine with   kg of dissolved salt. Pure water enters the tank at a rate of   L/min. The solution is kept thoroughly mixed and drains from the tank at the same rate. How much salt is in the tank after   minutes? L of brine with A tank contains   L of brine with   kg of dissolved salt. Pure water enters the tank at a rate of   L/min. The solution is kept thoroughly mixed and drains from the tank at the same rate. How much salt is in the tank after   minutes? kg of dissolved salt. Pure water enters the tank at a rate of A tank contains   L of brine with   kg of dissolved salt. Pure water enters the tank at a rate of   L/min. The solution is kept thoroughly mixed and drains from the tank at the same rate. How much salt is in the tank after   minutes? L/min. The solution is kept thoroughly mixed and drains from the tank at the same rate. How much salt is in the tank after A tank contains   L of brine with   kg of dissolved salt. Pure water enters the tank at a rate of   L/min. The solution is kept thoroughly mixed and drains from the tank at the same rate. How much salt is in the tank after   minutes? minutes?

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Sketch the region enclosed by Sketch the region enclosed by   Find the area of the region. Find the area of the region.

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Find the length of the curve. Find the length of the curve.

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Find the volume of a cap of a sphere with radius r = Find the volume of a cap of a sphere with radius r =   and height h = 3   .  and height h = 3 Find the volume of a cap of a sphere with radius r =   and height h = 3   .  . Find the volume of a cap of a sphere with radius r =   and height h = 3   .

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Find the area of the surface obtained by rotating the curve about the x-axis. Find the area of the surface obtained by rotating the curve about the x-axis.

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Find the centroid of the region bounded by the given curves. Find the centroid of the region bounded by the given curves.

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