Physics · Oct / Nov 2021 · Paper 12 · Question 1
5054Physical quantities and measurement techniques
A boy starts at P and walks 3.0 m due north from P to Q and then 4.0 m due east from Q to R. What is the shortest distance that he must now walk to have an overall displacement of zero?
- A3.0 m
- B4.0 m
- C5.0 m
- D7.0 m
As printed in the paper
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Correct answer: C. 5.0 m
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