Physics
Class 9
Escape velocity
What speed must a rocket reach to leave Earth's gravity?
1 answers
50 votes
1 Answers
uniboardhub
3 months ago
Escape velocity ≈ 11.2 km/s (~40,000 km/h). At this speed, the rocket's kinetic energy equals the gravitational binding energy, letting it break free.
Join the Discussion
Share your knowledge and help others learn by answering this question.
Help students understand complex topics
Build your reputation as an expert
Contribute to the learning community