Questions from General Calculus


Q: Find the centroid of the region enclosed by the ellipse x2 +

Find the centroid of the region enclosed by the ellipse x2 + (x + y + 1)2 = 1.

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Q: Find the centroid of the region enclosed by the loop of the

Find the centroid of the region enclosed by the loop of the curve y2 = x3 – x4.

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Q: If a sphere of radius r is sliced by a plane whose

If a sphere of radius r is sliced by a plane whose distance from the center of the sphere is d, then the sphere is divided into two pieces called segments of one base (see the first figure). The corre...

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Q: (a) Show that an observer at height H above the

(a) Show that an observer at height H above the north pole of a sphere of radius r can see a part of the sphere that has area (b) Two spheres with radii r and R are placed so that the distance between...

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Q: The figure shows a semicircle with radius 1, horizontal diameter PQ

The figure shows a semicircle with radius 1, horizontal diameter PQ, and tangent lines at P and Q. At what height above the diameter should the horizontal line be placed so as to minimize the shaded a...

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Q: Let P be a pyramid with a square base of side 2b

Let P be a pyramid with a square base of side 2b and suppose that S is a sphere with its center on the base of P and S is tangent to all eight edges of P. Find the height of P. Then find the volume of...

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Q: Consider a flat metal plate to be placed vertically underwater with its

Consider a flat metal plate to be placed vertically underwater with its top 2 m below the surface of the water. Determine a shape for the plate so that if the plate is divided into any number of horiz...

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Q: A uniform disk with radius 1 m is to be cut by

A uniform disk with radius 1 m is to be cut by a line so that the center of mass of the smaller piece lies halfway along a radius. How close to the center of the disk should the cut be made? (Express...

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Q: If f(x) = sin (x3), find f

If f(x) = sin (x3), find f(15)(0).

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Q: A function f is defined by / Where is f

A function f is defined by Where is f continuous?

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