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Starting position of an object is represented as x=5.1±0.2m and finishing position as y=6.9±0.3m. What will be the displacement and error in displacement?

Starting position of an object is represented as x=5.1±0.2m and finishing position as y=6.9±0.3m. What will be the displacement and error in displacement? Correct Answer Displacement = 1.8m, Error = 0.36m

Displacement between two positions represented as x±Δx and y±Δy is Iy-xI and error in displacement is (Δx2 +Δy2)1/2.

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