NEET Physics · Hard

Motion in a Plane: Advanced Projectile MCQ

Solve this quality-checked NEET multiple-choice question, then review the correct answer and explanation.

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Advanced ProjectileHardQuestion 5341

Question

A projectile is fired at 60° with speed 40 m/s (g=10 m/s²). Time to reach maximum height is:
  1. A
    2 s
  2. B
    4 s
  3. C
    2√3 s
    Correct
  4. D
    4√3 s

Correct answer

2√3 s

Explanation

t = usinθ/g = 40×sin60°/10 = 40×(√3/2)/10 = 2√3 s.