Civil and Environmental Engineering Answers

What are the equations of the lines through (-5,-3) and passing at a distance 2 square root of 5 from (5,7)

What is the equation of the line through (-2,5) and whose segment intercepted between the axes in the 2nd quadrant is equal to 7 square root of 2

The equations of the sides of a quadrilateral are x+4y-6=0 , 4x-y+4=0, x+4y+2=0, 8x-2y+13=0. Show that it is a rectangle. Find its area

A circle touches the lines 5x+2y-10=0 and 5x+2y+2=0. Find its area?

Find the equation of a line perpendicular to 4x-3y+5=0 and passing through (3,-2)

find the equation of a line parallel to 3x+2y+4=0 and at a distance 2 square root of 13 from (1,5)

Un kilogramme de fluide effectue une dilatation d’après une loi linéaire a partir d’un expression de 4.2 bar jusqu’à 1.4 bar. Le volume initiale et finale sont 0.004 m3 et 0.02 m3 respectivement. Puis, le fluide est refroidi réversiblement a pression constante. Finalement, le fluide est compressé réversiblement d’après la loi PV = C jusqu’aux conditions initiales de de 4.2 bar et 0.004 m3

What is Hospital Waste Ash?

A regular pentagon ABCDE is jointed at the angles and stiffened by two jointed bars AC and AD, as shown in fig.13. Two opposite forces P, each of 3N, are applied at B and E. Find the force in each bar of the framework, stating whether it is tensile or compressive.