9 Birth Defects and Their Symptoms and Treatments. Here's a primer on nine of the most common birth defects: their prevalence, causes, symptoms, and treatment. By Richard B. Johnston Jr., MD from American Baby.
Itâs a good book for the average woman whoâs looking to build a better physique, especially if youâre looking for. glute improvement. Strong Curves: A Womanâs Guide to Building a Better Butt and Body is well worth the $23 for the actual book and a steal at $10 on the Kindle.
Best Answer: force = kx [Hooke's Law] (where x is the amount of stretch) W(x) = work = 1/2 k x^2 = amount of work done in stretching the spring from its natural length to an amount of stretch of x. let L be the original length . (L < 8) 1 joule = 10000000 ergs stretching from 8 to 9: W(9-L) - W(8-L) = 0.05*10000000