Everyday Science
NULL
Medium
Question
A rocket needs about _______ to escape Earth's gravity?
A
22 miles per second
B
15 miles per second
C
12 miles per second
D
7 miles per second
✓ Official correct answer
Community credibility
Registered members can vote for the answer they believe is correct today and explain why. If the facts change after an election or news event, suggest a new option so others can vote it up.
A
22 miles per second
No member explanations yet for this option.
B
15 miles per second
No member explanations yet for this option.
C
12 miles per second
No member explanations yet for this option.
D
7 miles per second
No member explanations yet for this option.
Explanation
Earth escape speed is about 7 miles per second (~11.2 km/s).
So the correct answer is 7 miles per second.
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