A robotic logistics cart accelerates uniformly along a straight guiding track in a distribution center. A telemetry system records the exact velocity of the cart as it passes two distinct infrared beacon points, P P\,P and QQQ.
State one additional physical measurement that must be made to calculate the constant acceleration of the cart between these two points.
53 exam-style questions on Edexcel GCSE Physics 2.2 Speed, velocity and acceleration. Each one has a worked solution and a mark scheme showing where the marks go.