Q

A car increases its velocity from 10 m/s to 30 m/s in 5 seconds. What is the acceleration of the car?

RRB Group D 05 Aug, 2026 (12:45 PM - 2:15 PM) 2026
✓ Answer: C 4 m/s²
The correct choice is 4 m/s². It follows from the relevant Newtonian mechanics, motion, work, energy, power or simple-machine relationship.