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When person moves in the coordinate system from A (0, 0) to B (5, 10), to C (8, 6), what is the displacement covered?

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When person moves in the coordinate system from A (0, 0) to B (5, 10), to C (8, 6), what is the displacement covered?

(a) 10 units

(b) 5 units

(c) 7 units

(d) 15 units

This question was addressed to me in an online interview.

The query is from Straight Line Motion topic in division Motion in a Straight Line of Physics – Class 11

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The correct answer is (a) 10 units

Explanation: The displacement is the distance between the final and the initial location. Here the final location is C and the initial is A. We can solve this by using distance between two points method. AC = Square root ((8^2 – 0^2) + (6^2 – 0^2)) = Square root (100) = 10 units.

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