This series of short explainer films with Professor Brian Cox comprises six clips focused on forces, speed and motion. Each ...
Have you ever thought speed and velocity mean the same thing? Many people do. They often use these words as if they are alike. But in science, they are not the same. Speed tells us how fast something ...
Listen to the full series on BBC Sounds. Acceleration close accelerationThe rate of change in speed (or velocity) is measured in metres per second squared. Acceleration = change of velocity ÷ time ...
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