1-35. Show that the volume common to the intersecting cylinders defined by x? + y = a? and x? + z? = a' is V= 16a/3.

Calculus: Early Transcendentals
8th Edition
ISBN:9781285741550
Author:James Stewart
Publisher:James Stewart
Chapter1: Functions And Models
Section: Chapter Questions
Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...
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1-35. Show that the volume common to the intersecting cylinders defined by x + y? = a?
and x + z2 = a' is V = 16a/3.
1-36. Find the value of the integral fs A da, where A = xi- yj + zk and S is the closed
surface defined by the cylinder c x2 + y. The top and bottom of the cylinder
are at z = dand 0, respectively.
1-37. Find the value of the integral JsA da, where A = (x? + y? + z) (xi + yj + zk) and
the surface S is defined by the sphere R2 x + y + z2. Do the integral directly
and also by using Gauss's theorem.
%3D
1-38. Find the value of the integral fs (V x A) da if the vector A yi + zj + xk and Sis
the surface defined by the paraboloid z = 1 - x2-y', where z2 0.
1-39. A plane passes through the three points (x, y, z) (1, 0, 0), (0, 2, 0), (0, 0, 3).
(a) Find a unit vector perpendicular to the plane. (b) Find the distance from the
point (1, 1, 1) to the closest point of the plane and the coordinates of the closest
point.
1-40. The height of a hill in meters is given by z = 2xy
y 3x
4y 18x + 28y + 12,
where-x is the distance east and y is the distance north of the origin. (a) Where is
the top of the hill and how high is it? (b) How steep is the hill at x = y= 1, that is,
what is the angle between a vector perpendicular to the hill and the z axis? (c) In
direction is the slope at x= y = 1 steepest?
1-41. For what values of a are the vectors A = 2ai - 2j + ak and B = ai + 2aj + 2k
perpendicular?
TOSHIBA
INS
8A9
DI
Transcribed Image Text:1-35. Show that the volume common to the intersecting cylinders defined by x + y? = a? and x + z2 = a' is V = 16a/3. 1-36. Find the value of the integral fs A da, where A = xi- yj + zk and S is the closed surface defined by the cylinder c x2 + y. The top and bottom of the cylinder are at z = dand 0, respectively. 1-37. Find the value of the integral JsA da, where A = (x? + y? + z) (xi + yj + zk) and the surface S is defined by the sphere R2 x + y + z2. Do the integral directly and also by using Gauss's theorem. %3D 1-38. Find the value of the integral fs (V x A) da if the vector A yi + zj + xk and Sis the surface defined by the paraboloid z = 1 - x2-y', where z2 0. 1-39. A plane passes through the three points (x, y, z) (1, 0, 0), (0, 2, 0), (0, 0, 3). (a) Find a unit vector perpendicular to the plane. (b) Find the distance from the point (1, 1, 1) to the closest point of the plane and the coordinates of the closest point. 1-40. The height of a hill in meters is given by z = 2xy y 3x 4y 18x + 28y + 12, where-x is the distance east and y is the distance north of the origin. (a) Where is the top of the hill and how high is it? (b) How steep is the hill at x = y= 1, that is, what is the angle between a vector perpendicular to the hill and the z axis? (c) In direction is the slope at x= y = 1 steepest? 1-41. For what values of a are the vectors A = 2ai - 2j + ak and B = ai + 2aj + 2k perpendicular? TOSHIBA INS 8A9 DI
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