Physics KS3 / KS4: Physics with Professor Brian Cox - Forces, speed and motion

This series of short explainer films with Professor Brian Cox comprises six clips focused on forces, speed and motion. Each ...
BBC

Average speed and distance

A car travels 500 m in 50 s, then 1500 m in 75 s. Calculate its average speed for the whole journey. A motorbike travels at an average speed of 12 m/s for 25 s. Calculate the distance travelled in ...