Weight and motion under gravityEdexcel A-Level Maths: Mind map

Exam questions on Weight and motion under gravity

1. A ball is thrown vertically upwards with speed $14$ m s$^{-1}$ from ground level. Model the ball as a particle moving freely under gravity, with $g=9.8$ m s$^{-2}$.
   Find the speed of the ball when it is $4$ m above the ground on its way down.2 marks
2. A coin is dropped from rest from a bridge, $40$ m above the surface of a river. Model the coin as a particle moving freely under gravity, with $g=9.8$ m s$^{-2}$.
   Find the distance the coin falls in the last second before it reaches the river.2 marks
3. A ball is thrown vertically upwards with speed $15$ m s$^{-1}$ from a point $1.5$ m above horizontal ground. Model the ball as a particle moving freely under gravity, with $g=9.8$ m s$^{-2}$.
   Find the greatest height of the ball above the ground.3 marks