The three initial & final position of a man on the X-axis are given as (i) (-8 m , 7 m) (ii) (7 m , – 3 m) and (iii) (- 7 m , 3 m) .Which pair gives the negative displacement ?

Q: The three initial & final position of a man on the X-axis are given as (i) (-8 m , 7 m) (ii) (7 m , – 3 m) and (iii) (- 7 m , 3 m) .Which pair gives the negative displacement ?

(a) (i)

(b) (ii)

(c) (iii)

(d) (i) and (iii)

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Ans: (b)

Sol: for (ii) displacement = final position – Initial Position

displacement = -3 – 7 = -10 m