Questions from General Calculus


Q: In an automobile race along a straight road, car A passed

In an automobile race along a straight road, car A passed car B twice. Prove that at some time during the race their accelerations were equal. State the assumptions that you make.

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Q: A rectangular beam will be cut from a cylindrical log of radius

A rectangular beam will be cut from a cylindrical log of radius 10 inches. (a) Show that the beam of maximal cross-sectional area is a square. (b) Four rectangular planks will be cut from the four sec...

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Q: Show that, for x > 0, x/1

Show that, for x > 0, x/1 + x2 < tan-1x < x

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Q: A light is to be placed atop a pole of height h

A light is to be placed atop a pole of height h feet to illuminate a busy traffic circle, which has a radius of 40 ft. The intensity of illumination I at any point P on the circle is directly proporti...

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Q: Water is flowing at a constant rate into a spherical tank.

Water is flowing at a constant rate into a spherical tank. Let V(t) be the volume of water in the tank and H(t) be the height of the water in the tank at time t. (a) What are the meanings of V’(t) and...

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Q: Use the guidelines of Section 4.5 to sketch the curve

Use the guidelines of Section 4.5 to sketch the curve. y = 3x4 - 4x3 + 2

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Q: Newton’s Law of Gravitation says that the magnitude F of the force

Newton’s Law of Gravitation says that the magnitude F of the force exerted by a body of mass m on a body of mass M is F = GmM / r2 where G is the gravitational constant and r is the distance between t...

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Q: Find the local and absolute extreme values of the function on the

Find the local and absolute extreme values of the function on the given interval. f (x) = x3 - 9x2 + 24x - 2, [0, 5]

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Q: Find dy/dx by implicit differentiation. x2 / x

Find dy/dx by implicit differentiation. x2 / x + y = y2 + 1

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Q: Find the sum of the given vectors and illustrate geometrically.

Find the sum of the given vectors and illustrate geometrically. −1, 4 , 6, −2

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