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Distance vs. Displacement

Which of the ...

Question

Which of the pairs of initial and final positions along the x-axis would fetch a net negative displacement?

A

-4 m, +5 m

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B

-3 m, +7 m

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C

-7 m, -2 m

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D

+3 m, -5 m

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Solution

The correct option is D +3 m, -5 m
Displacement = [Final position - Initial position]
= [(-5) - (+3)] = -8 m

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