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)
-
A.
7.80 × 10-3ms-1 -
B.
1.13 × 10-4ms-1 -
C.
3.56 × 107ms-1 -
D.
6.00 × 107ms-1 -
E.
1.20 × 108ms-1
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