Projectile motionEdexcel A-Level Physics: Mind map

Exam questions on Projectile motion

1. A stone is thrown horizontally at 12 m s⁻¹ from the top of a vertical cliff 45 m high, over the sea. Air resistance may be ignored.
   Calculate the speed of the stone as it reaches the sea.2 marks
2. A footballer kicks a ball from level ground at 20 m s⁻¹ at 30° above the horizontal. Air resistance may be ignored.
   Calculate the time for which the ball is in the air before it returns to the ground.2 marks
3. A rescue aircraft flies horizontally at a constant 60 m s⁻¹ at a height of 180 m. It releases a supply package which falls to the ground. Air resistance may be ignored.
   Calculate the time taken for the package to reach the ground.3 marks