What about all the other wars in American history? Many of the Indian Wars lasted decades, says Don Surber in the Charleston, W.V., Daily Mail. The Second Seminole War lasted from 1835 until 1842, and the Sioux Wars lasted from 1854 to 1890. Also, he says, in the case of Afghanistan our enemy struck first.
Special relativity is perhaps one of the least intuitive theories ever conceived in the history of science, yet it is central to physics. In E = mc 2 Einstein concluded that mass (m) and kinetic energy (E) are equal, since the speed of light (c 2) is constant. In other words, mass can be changed into energy, and energy can be changed into mass.
situations in which you need to find missing information.For instance,Exercise 68 on page 174 shows how to use a linear equation to determine the height of a flagpole by measuring its shadow. Sergio Piumatti Equations and Solutions of Equations An equation in x is a statement that two algebraic expressions are equal. For example, and are equations. To solve an equation in x means to find all values of x for which the equation is true. Such values are solutions. For instance, is a solution of the equation because is a true statement. The solutions of an equation depend on the kinds of numbers being consid-ered. For instance, in the set of rational numbers, has no solution