Question Detail
Question
A ball takes t second to fall from a height h₁, and 2t seconds to fall from a height h₂. Then h₂/h₁ is:
Correct Answer
Option D is the correct answer.
Detailed Explanation
h = ½gt², so h ∝ t². If t₂ = 2t₁, then h₂/h₁ = (2t₁/t₁)² = 4.
Hint
Height proportional to square of time.