Civil and Environmental Engineering Answers

Find the area under the curve y=x^2 + 1 and the x-axis between x=0 and x=3. *

Find the volume generated under the curve y=x^2 + 1 and the x-axis between x=0 and x=3, rotated about the x-axis *

Find the volume generated under the curve y=x^2 + 1 and the x-axis between x=0 and x=3, rotated about the y-axis 

Determine the area bounded by the curves x= 3, y= 4 and the axes in 1st quadrant. *

Find the volume generated bounded by y = (11 - x)^3, the lines y=x and the x-axis. Rotated about the y-axis. *

Determine the volume generated bounded by the curves y= 1/x, 2x - y = 0, x = 10, and the x-axis. Rotated about the y-axis. *

Find the area bounded by y = (11 - x)^3, the lines y=x and the x-axis. *

Determine the volume generated bounded by the curves y= 1/x, 2x - y =0, x=10, and the x-axis. Rotated about the x-axis. 

1. Two men carry a weight of 2 kN by means of two ropes fixed to the weight. One rope is inclined at 45° and the other at 30° with their vertices. Find the tension in each rope?

1. ABCD is rectangle, in which AB = CD = 100 mm and BC = DA = 80 mm. Forces of 100 N each act along AB and CD and forces of 50 N each at along BC and DA. Find the resultant moment of the two couples.?