Q. What is the minimum velocity required for a rocket to overcome earth's gravity and travel into space?
A) 11.2 km/sec
B) 18 km/sec
C) 35 km/sec
D) 21 km/sec
✔ Correct Answer: 11.2 km/sec
Exam Insight
The minimum velocity required for a rocket to escape Earth's gravity is approximately 11.2 km/s (escape velocity).