The motion of something in orbit (like a planet around a star) is a combination of the effect of inertia and of gravity. Inertia means that something moving will continue going in a straight line at a constant velocity unless it is stopped (this is Newton's first law).
While local prices and soil conditions make this cost variable, we can make a rough estimate. Trenching is approximately $2 per linear foot. Reinforced concrete continuous footings cost another $10 to $15 per linear foot. Add to this about $6 or $7 per line foot for a concrete block foundation wall.Supports in the center may be needed too, but to estimate figure $18 â $24 per linear foot of the parameter.For example if the foundation will be 24 x 30 foot, then you would multiple108 by $18 and then by $24.lab â A concrete slab will cost about $4 per square foot. So if a the slab is 24 x 30 foot, then your slab would cost $2880. This price varies though in different areas, and with the cost of concrete. Crawl Space â The cost is based on the perimeter of the home.
Making the world better, one answer at a time. The average cost of concrete is 20 dollars per linear foot. This price does not factor in the cost of framing the footing or labor. The final estimate will include all concrete needed for the project.ccording t â¦ o www.doityourself.com a yard of concrete will cost about $75.00 so a cubic foot will cost you $75/27, which would be about $2.78 per cubic foot. 1 foot of concrete is a very small volume so you will probably be charged for a minimum quantity which will be more that the cost of 1 foot.