This preview shows page 1. Sign up to view the full content.
Unformatted text preview: 62.5 pounds.) Do not evaluate the integral. 2. (a)(20 points) ind the volume V of the solid whose base is a circle of radius 2, such that the cross sections of the solid perpendicular to a Fxed diameter of the base are squares. (b) (20 points) Let S be the region bounded between the curves y = x 2 and y = 1. The area of S is 4/3. Compute ( x, y ), the center of gravity of S . 3. (25 points) ind the length L of the curve described parametrically by ( x,y ) = ( e-t cos( t ) ,e-t sin( t )) , t < . 4. Suppose z = 1 + i 3. (a) (3 points) What is | z | ? (b) (3 points) ind real numbers a,b such that a + ib = 1 /z . (c) (4 points) ind real numbers R, such that z = Re i ....
View Full Document
This note was uploaded on 04/03/2010 for the course MATH 20 taught by Professor Staff during the Fall '08 term at Maryland.
- Fall '08