If an object is traveling in a circle we could describe its motion with the usual variables for position, velocity, and acceleration, but it would be complicated because the objects direction is constantly changing. It is more convenient to define new variables to describe circular motion in angular units.
Ernie Els Makes The Switch Back To A Regular Sized Putter. Four-time major champion, Ernie Els is using the European Tourâs Desert Swing to work out some equipment changes. The popular 44 year-old from Johannesburg, South Africa switched from Callaway to Adams during the off-season, and has decided to get ahead of the putter ruling, and back to a normal length putter.
Newest and Largest of Cat Scrapers. Replacing the 657E, Caterpillar's 657G open-bowl scraper features Cat's C18 ACERT engine for the tractor and the C15 ACERT engine for the scraper. The largest of eight machines in the G Series wheel tractor-scrapers, the 657G has a heaped capacity of 44 cubic yards and a rated load of 104,058 pounds. Replacing the 657E, Caterpillar's 657G open-bowl scraper features Cat's C18 ACERT engine for the tractor and the C15 ACERT engine for the scraper.