A projectile is launched from a platform 25m above the ground with an initial velocity of (6i+10j)ms−1(6\mathbf{i} + 10\mathbf{j})\text{ms}^{-1}(6i+10j)ms−1.
Find the speed of the projectile after 1 second.
Find the greatest height of the projectile above the ground.
Find the horizontal distance travelled by the projectile 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.