JAMB Physics 2023 Objective — Question 37
Question 37 of 40 from the Joint Admissions and Matriculation Board (JAMB) Physics 2023 Objective paper, with the correct answer and a full explanation.
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Radius of earth is 6400 km. Escape velocity of a satellite:
- A. 1.27×10⁴ m/s
- B. 1.13×10⁴ m/sCorrect
- C. 9.00×10³ m/s
- D. 8.08×10⁴ m/s
Explanation
v=√(2gR)=√(1.28×10⁸)≈11313 ms⁻¹≈1.13×10⁴ ms⁻¹.
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