internal

  1. O

    internal forces when steam bending wood

    Hi all, first of all is this the most appropriate forum of the many options to pose some questions relating to the forces created when wood steam bent . I understand the practical aspects but I cant get the relevant maths to tally, a few facts first .. when bending the wood the...
  2. O

    internal forces when steam bending wood

    Hi all, first of all is this the most appropriate forum of the many options to pose some questions relating to the forces created when wood steam bent . I understand the practical aspects but I cant get the relevant maths to tally, thanks I post the qu. when I know where to post .
  3. G

    Heat content is ...Joules? enthalpy? or internal energy??

    Heat content is ...Joules? enthalpy? or internal energy??
  4. H

    internal angle sum of triangle

    Problem: Let A, B, C be three non-collinear points. Let D, E, F be points on the respective interiors of segments BC, AC and AB. Let ?, ? and ? be the measures of the respective angles ?BFC, ?CDA and ?AEB. Prove IAS(ABC) < ? +? + ? < 540 - IAS(ABC).(IAS means internal angle sum). Now I'm...
  5. L

    internal rate of return specific for this exercise

    Hi, I am revising for a final test from introduction into finance that I am taking at coursera. Today I came accross a problem with internal rate of return, but let me explain all from the beginning. The exercise I am looking at is this: Question 9 (15 points) Reggie has just taken over...
  6. L

    Find the internal angle of a polygon, greater than 180º

    How can I find the number of internal angles of a polygon, greater than 180º, having only the vertices (in order) of the polygon? For each vertex I want always the internal angle, not the external. The polygon can have convex and concav regions. Thanks.