A soccer ball is kicked from level ground with an initial velocity of 20ms-1 at an angle of α∘ \alpha^\circ\,α∘ to the horizontal. The ball strikes the ground again after 2 seconds.
Find the value of α\alphaα.
Find the horizontal distance travelled by the ball before it hits the ground.
91 exam-style questions on OCR (MEI) A Level Maths 3.3 Projectiles (A-level only), covering 3.3.1 Model motion under gravity using vectors (A-level only), 3.3.2 Position, velocity, range and maximum height (A-level only), 3.3.3 Find the initial velocity of a projectile (A-level only), 3.3.4 Equation of the trajectory (A-level only), and 3.3.5 Solve simple projectile problems (A-level only). Each one has a worked solution and a mark scheme showing where the marks go.