Kinematic Equations AdvancedHardQuestion 5238
Question
In the nth second, a body starting from rest covers a distance of (2n − 1) units. The acceleration is:
- A1 unit/s²
- B2 unit/s²Correct
- C3 unit/s²
- D0.5 unit/s²
Correct answer
2 unit/s²
Explanation
Distance in nth second: sₙ = u + a(2n−1)/2 = 0 + a(2n−1)/2. Given sₙ = 2n−1: a/2 = 1 → a = 2 unit/s².