With upward positive, what is the acceleration vector under gravity?
A
a=(0−g)\mathbf{a}=\begin{pmatrix}0\\-g\end{pmatrix}a=(0−g), where g=9.8 m s−2g=9.8\text{ m s}^{-2}g=9.8 m s−2.
B
Substitute the same ttt into the horizontal position equation.
C
The particle is moving downwards.
D
When launch and landing are at different vertical levels.
3.2.8 Motion under gravity using vectors (A-level only) Flashcards
Flashcards for OCR A Level Maths 3.2.8 Motion under gravity using vectors (A-level only), covering the key formulae, methods and definitions you need to recall for Paper 1, Paper 2 and Paper 3. 21 cards, matched to the OCR A Level Maths (H240) specification. Recall questions account for roughly 50% of marks at A Level Maths, so these target the marks you can secure before the paper starts.