NEET Physics · Medium

Basic Mathematics & Vectors: Trigonometry Applications MCQ

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

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Trigonometry ApplicationsMediumQuestion 5129

Question

A projectile is launched at 45°. Its horizontal and vertical components of initial velocity u are:
  1. A
    u and 0
  2. B
    u/√2 and u/√2
    Correct
  3. C
    u/2 and u/2
  4. D
    u and u

Correct answer

u/√2 and u/√2

Explanation

uₓ = u cos45° = u/√2, uᵧ = u sin45° = u/√2. At 45°, both components are equal: u/√2 each.