What is the escape velocity from Earth's surface approximately?
A
11.2 km/s
B
7.9 km/s
C
5.5 km/s
D
15 km/s
Correct Answer: Option A — 11.2 km/s
Explanation:
The escape velocity from Earth's surface is approximately 11.2 kilometres per second the minimum speed needed for an object to escape Earth's gravitational pull without further propulsion.