Everything CCEA students need to know about speed-time graphs for GCSE Physics. ... A horizontal line means the object is moving at a constant speed.

The cart then detects motion over these lines to give position-time data. Again using the quadratic fit I can find the acceleration. In this case it gives a value of 0.1092 m/s 2 .

At one point in the past, I was a teenager. Hard to believe, I know, but it's true. During that time, I thought about teenager things. In particular, I recall thinking about and wanting a super ...