An aircraft touches down at a speed of 66 m/s. During the first 8.0 s, it slows down uniformly at 1.5 m/s2. It then slows down uniformly at 3.0 m/s2 until its speed is 12 m/s.
Calculate the total time from touchdown until the aircraft reaches a speed of 12 m/s.
96 exam-style questions on Edexcel GCSE Physics 2.2 Speed, velocity and acceleration, covering 2.2.1 Speed and distance–time graphs, 2.2.2 Acceleration and the uniform-acceleration equation, 2.2.3 Velocity–time graphs, and 2.2.4 Measuring speed, typical speeds and free-fall acceleration. Each one has a worked solution and a mark scheme showing where the marks go.