JEE Main · PhysicsEasy
- A.$11.2 \text{ km/s}$
- B.$9.8 \text{ km/s}$
- C.$3.0 \times 10^8 \text{ m/s}$
- D.$1.6 \text{ km/s}$
Show correct answer & step-by-step solution
Correct answer: A — $11.2 \text{ km/s}$
Solution
The escape velocity is the minimum speed needed for an object to escape from the gravitational influence of a massive body. For Earth, this value is approximately .
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