The accelerating expansion of the Universe, first observed in 1998, remains one of the most profound mysteries in modern ...

Let's think now about the concept of motion and in particular ... unit in Physics is metres per second (m/s). Based on what you have learned about the speed equation in the video, have a go ...

Let's think now about the concept of motion and in particular ... unit in Physics is metres per second (m/s). Based on what you have learned about the speed equation in the video, have a go ...