June 2017

Jhun Vert's picture

Deflection and rotation of simple beam with uniform and concentrated loads

Submitted by Jhun Vert on June 7, 2017 - 8:57am

For the beam shown below, determine the following:
 

img_0057.jpg

 

  1. Deflection at C
  2. Deflection at D
  3. Rotation between A and B

Express your answer in terms of EI.
 

esmilitar's picture

Perimeter of the Value of the Curve

Submitted by esmilitar on June 20, 2017 - 1:22am

What is the perimeter of the value of the curve i=3(1 +cos x)?

Net Present Worth analysis

Submitted by lilfancy on June 20, 2017 - 2:25pm

How do you calculate NPV for a model with single payment compound amount scenario.

Mathematics

Submitted by shthd on June 21, 2017 - 5:55pm

A diet must provide exactly 580 mg of protein and 290 mg or iron. These nutrients will be obtained by eating meat and spinach. Each kg of meat contains 900 mg of protein and 200 mg of iron. Each kg of spinach contains 400 mg of protein and 1700 mg of iron. How many kgs of meat and spinach should be eaten in order to provide the proper amounts of nutrients?

Arithmetic sequence

Submitted by dan.and.yel on June 23, 2017 - 9:12am

1/3, 1, 1/6, 2

is this an arithmetic sequence? i have seen it in a grade 10 book, thanks

gulfkaran's picture

What is algebra with fractions called ?

Submitted by gulfkaran on June 24, 2017 - 2:02am

What is algebra with fractions called ?

esmilitar's picture

Sight Distance of Vertical Parabolic Curve

Submitted by esmilitar on June 26, 2017 - 1:20am

I need help to this problem I wonder if the answers are in the following choices. The problem is.. A vertical parabolic curve, 135 m long has a tangent grades of -1.7% and 2.3% . Find the sight distance in m.
a. 139.6 c. 147.1
b. 149.8 d. 140.6

line organisation

Submitted by lilfancy on June 28, 2017 - 6:45am

What is line organisation and line and staff organisation