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Friday, 03 April 2026
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Calculate the escape velocity for a rocket fired from the earth's surface at a ...

Calculate the escape velocity for a rocket fired from the earth's surface at a point where the acceleration due to gravity is 10ms-2 and the radius of the earth is 6 x 106m.
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  • A 7.8 x 106ms-12
  • B 1.1 x 104ms-1
  • C 3.5 x 107ms-1
  • D 6.0 x 107 ms-1
  • E 1.2 x 108ms2-1
Correct Answer: Option B
Explanation:
Hint: V = √2gr = √(2x10x6x106) + 1.1 x 104ms-1

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