What is the escape velocity of a satellite launched from ...
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)
7.80 × 10kms-1
11.2 × 10kms-1
3.56 × 107ms-1
6.00 × 107ms-1
1.20 × 108ms-1
Correct answer is B
The escape speed from Earth's surface is about 11.186 km/s