An object moves from point A to point B to point C, then back to point B and then to point C along the line shown in the figure. Find the distance covered by the moving object in km.
A
13
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B
15
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C
17
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D
19
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Solution
The correct option is C 17 Distance covered is equal to the path length that the particle covers. Distance =AB+BC+CB+BC =5+4+4+4=17km