From a position–time record of a scooter

PHYSICS · Single correct · CBSE · Physics · Motion · Motion

Problem

From a position–time record of a scooter, the points

(1\,\text{s},\,2\,\text{m})

and

(7\,\text{s},\,-4\,\text{m})

are noted. The scooter’s average velocity between

t=1\,\text{s}

and

t=7\,\text{s}

is (a)

-0.86\,\text{m s}^{-1}

(b)

-1.0\,\text{m s}^{-1}

(c)

1.0\,\text{m s}^{-1}

(d)

-0.75\,\text{m s}^{-1}

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