A hiker walks 1.2 km north in 0.30 h and then 0.8 km south in 0.20 h along a straight…

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

Problem

A hiker walks 1.2 km north in 0.30 h and then 0.8 km south in 0.20 h along a straight trail. What is the magnitude of her average velocity for the entire trip? (a)

2.0\ \text{km/h}

(b)

0.8\ \text{km/h}

(c)

1.3\ \text{km/h}

(d)

4.0\ \text{km/h}

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