Bar modelling is not a method of calculation. It provides a diagram to help understand what working out should be done to solve a problem. Bar modelling is used to help understand how to solve ...

The total length of the bar represents both the total distance and the total time taken. The bar is divided into parts. Each part represents the speed as a distance per unit of time. The number of ...

Want to make like a model on camera? Bar Refaeli shared some sexy photo shoot tips with Esquire in the magazine's July 2009 issue. "The palm of your hand – you need to make it long, your fingers long, ...