WAEC Physics 2024 Paper

Concept:Projectile motion is affected by gravity, so any statement saying otherwise is incorrect.Explanation:For a projectile launched with speed $u$ at angle $\theta$, the horizontal range is:$$R = \frac{u^2 \sin 2\theta}{g}$$This formula shows that range $R$ depends on the acceleration due to gravity $g$.Thus, statement C, which says the range is independent of $g$, is not correct.The time of flight is given by:$$T = \frac{2u \sin \theta}{g}$$So time of flight also depends on $g$, making statement D correct.Statements A and B correctly describe projectile motion.Answer:C. The range of a projectile is independent of the acceleration due to gravity.