A stone is projected from the origin $O\,$ with velocity $\text{ ms}^{-1}$ at an angle $\alpha\,$ to the horizontal. The stone's coordinates $(x, y)$ at time $t\,$ are relative to $O$ .

Show that

\tan \alpha - \frac{g x^2}{2 U^2 \cos^2 \alpha}

Given that $α=30∘\alpha = 30^\circ$ and that when $x = 12$ , $y = 3$ , find the speed of the stone at the point where $x = 12$ and $y = 3$ .

A stone is projected from the origin $O\,$ with velocity $\text{ ms}^{-1}$ at an angle $\alpha\,$ to the horizontal. The stone's coordinates $(x, y)$ at time $t\,$ are relative to $O$ .

Show that

\tan \alpha - \frac{g x^2}{2 U^2 \cos^2 \alpha}

Given that $α=30∘\alpha = 30^\circ$ and that when $x = 12$ , $y = 3$ , find the speed of the stone at the point where $x = 12$ and $y = 3$ .

3.2 Kinematics

Question 4

Markscheme

3.2 Kinematics

Question 4

Markscheme

3.2 Kinematics

Question 4

3.2 Kinematics Questions

3.2 Kinematics

Question 4

3.2 Kinematics Questions