Projectile ApplicationsMediumQuestion 5321
Question
A ball projected horizontally from height 80 m with speed 20 m/s (g = 10 m/s²) hits ground at horizontal distance:
- A40 m
- B80 mCorrect
- C160 m
- D20 m
Correct answer
80 m
Explanation
t = √(2h/g) = √16 = 4 s. Horizontal distance = 20×4 = 80 m.