(CBS MoneyWatch) For more than a decade, college tuition has been rising far beyond the rate of inflation at public colleges and universities. According to College Board figures, tuition and fees increased 5.4 percent annually above inflation in the decade since the 2001-2002 school year. Ouch.. Real net average tuition at state universities, which is the price after grants are deducted, rose 33.1 percent ($3,415 to $4,546). In comparison, average net tuition at private institutions has risen 21.2 percent during the same period.
Newton's Universal Law of Gravitation. Newton's Universal Law of Gravitation: 'a simple equation, but devastatingly effective'. Newton's equation first appeared in the PhilosophiÃ¦ Naturalis Principia Mathematica, July 1687. It describes why that apple fell from that tree in that orchard in Lincolnshire.
The square of the period of any planet is proportional to the cube of the semimajor axis of its orbit. This is one of Kepler's laws.This law arises from the law of gravitation. Newton first formulated the law of gravitation from Kepler's 3rd law. Kepler's Law of Periods in the above form is an approximation that serves well for the orbits of the planets because the Sun's mass is so dominant.