Physics

Problem

Rahul cycles

120\,\text{m}

straight along a road and then turns back, covering

30\,\text{m}

toward his starting point before stopping. Which of the following ordered pairs

(\text{distance},\;|\text{displacement}|)

in metres is possible for this trip? a)

(120,\;90)

(90,\;150)

(150,\;90)

(150,\;30)