Physics
NECO 2002
What is the escape velocity of a satellite launched from the earth’s surface? (Take g as 10ms-2 and the radius of the earth as 6.4 × 106m)
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A.
7.80 × 10kms-1
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B.
11.2 × 10kms-1
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C.
3.56 × 107ms-1
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D.
6.00 × 107ms-1
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E.
1.20 × 108ms-1
Correct Answer: Option B
Explanation
The escape speed from Earth's surface is about 11.186 km/s
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