Velocity-time graphs show how the velocity (or speed) of a moving object changes with time. These graphs also show if the object is moving at a constant speed or accelerating, decelerating, or ...

Click play icon to see the graphs over time. The data for the graph can be found in the Organisation for Economic Co-operation and Development's Health Data 2009 site. Close.

The ease with which you can create a line graph in Excel on your PC or Mac will do much to dispel the misconception that the program is arcane and unapproachable. With just three clicks of a mouse ...