Q

An object is thrown upward at 14 m/s and reaches a height of 10 m. How long does it take to reach the highest point?

RRB Group-D; RRB ALP & Technician 06/12/2018 / Shift II; 29/08/2018 / Shift III 2018; 2018
✓ Answer: D 1.43 s
With g = 9.8 m/s², t = u/g = 14/9.8 ≈ 1.43 s.