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Friday, 9 October

NEET UG 2017 · Physics · Question 9

NEET 2017 Physics, question 9

Question 9 of the NEET 2017 paper (code A) is a Physics question from Motion in a Plane. Its idea, Position Vector at Time t, was asked only this once in NEET 2017–2026. The CBSE official answer key gives option 3.

Updated 2026-10-08

Q9 · Physics

The xx and yy coordinates of the particle at any time are x=5t−2t2x = 5t - 2t^2 and y=10ty = 10t respectively, where xx and yy are in meters and t in seconds. The acceleration of the particle at t = 2s is

  1. 10
  2. 25 m/s2\mathrm{m/s^2}
  3. 3−4-4 m/s2\mathrm{m/s^2}Official answer
  4. 4−8-8 m/s2\mathrm{m/s^2}

Official answer: option 3 · CBSE official answer key

Same idea

The only question on Position Vector at Time t

No other NEET paper from 2017–2026 tested this exact idea.

Position Vector at Time t: every question and how it was framed

The chapter

Motion in a Plane in ten years of NEET

6 questions from 2017–2026, asked in 5 of 10 papers, about 0.6 a paper. Projectile Motion alone had 5.

Chapter analysisStudy this chapterPractise this chapter

Motion in a Plane: questions per paper

0241’170’181’190’202’211’221’230’240’250’26