2007
Physics
67e856d33cf20db308447ec1
A body is projected from the earth’s surface with the hope of letting it escape from the earth gravitational field. What is the minimum escape velocity? [Earth’s radius = 6.4 x 103km, g = 10 ms-2]
A.
11.3kms-1
B.
13.3kms-1
C.
12.3kms-1
D.
14.3kms-1
Correct Answer: 11.3kms-1
Explanation
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