A particle P P\,P is projected with a velocity (6i+8j)ms−1(6\mathbf{i} + 8\mathbf{j})\text{ms}^{-1}(6i+8j)ms−1 from a point 20m above the ground.
Find the speed of the particle after 2 seconds.
230 exam-style questions on Edexcel A Level Maths Projectiles, covering 6.1 Horizontal Projection, 6.2 Horizontal and Vertical Components, 6.3 Projection at Any Angle, and 6.4 Projectile Motion Formulae. Each one has a worked solution and a mark scheme showing where the marks go.