A stone is dropped from a point 80 m from the ground. Take g=9.8 ms−2g=9.8\text{ ms}^{-2}g=9.8 ms−2.
Find the time it takes for the stone to reach the ground.
Find the speed at which the stone hits the ground.
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.