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NEET Physics QUESTION #7335
Question 1

Two projectiles fired from the same point with equal speed at $60°$ and $30°$. Which statement is true?

  • Their horizontal ranges are equal✔️
  • Their maximum heights are equal
  • Their landing speeds are equal
  • Their times of flight are equal
Correct Answer Explanation

$60°$ and $30°$ are complementary angles, so $\sin(2\times60°) = \sin120° = \sin60° = \sin(2\times30°)$.

Range $R = \dfrac{u^2\sin2\theta}{g}$ is the same for both. Heights and times of flight differ.