A stone is dropped from a point 122.5 m above the ground. Take the acceleration due to gravity to be 9.8 m s-2.
Verify that the time it takes for the stone to reach the ground is 5.0 s (2sf).
Verify that the speed at which the stone hits the ground is 49 ms-1 (2sf).
197 exam-style questions on Edexcel A Level Maths Constant Acceleration, covering 8.2 Modelling Assumptions, 8.3 Quantities and Units, 8.4 Working with Vectors, 9.1 Displacement-Time Graphs, 9.2 Velocity-Time Graphs, 9.3 Constant Acceleration Formulae 1, 9.4 Constant Acceleration Formulae 2, and 9.5 Vertical Motion Under Gravity. Each one has a worked solution and a mark scheme showing where the marks go.