An object moves with velocity from to and then with velocity from to

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

Problem

An object moves with velocity

6\,\text{m\!/s}

from

t=0

t=4\,\text{s}

and then with velocity

-4\,\text{m\!/s}

from

t=4\,\text{s}

t=8\,\text{s}

. What is its net displacement during the first

8\,\text{s}

? (a)

40\,\text{m}

(b)

8\,\text{m}

(c)

24\,\text{m}

(d)

16\,\text{m}