A rocket is launched from the surface of the earth. If the radius of the...
PHYSICS
WAEC 1996
A rocket is launched from the surface of the earth. If the radius of the earth is 6.4 x 106m and the acceleration of free fall due to gravity is 1Oms-1 calculate the escape velocity of the rocket.
- A. 2.53 x 104ms-1
- B. 1.13 x 104ms
- C. 8.00 x 103ms-1
- D. 4.23 x 103ms-1
Correct Answer: B. 1.13 x 104ms
Explanation
V = ?2gR
V = ?2 x 10 x 6.4 x 102
1.13 x 104ms
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