JAMB Physics 2018 Objective — Question 3
Question 3 of 38 from the Joint Admissions and Matriculation Board (JAMB) Physics 2018 Objective paper, with the correct answer and a full explanation.
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A ship travels 200km to the south and then 400km to the west. Calculate the magnitude of the ship's displacement from its starting point
- A. 600km
- B. 200km
- C. 447kmCorrect
- D. 401km
Explanation
Using Pythagoras: R = √(200²+400²) = √(40000+160000) = √200000 ≈ 447km.
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