A cyclist rides 3 km due east and then 2 km due west in a total time of 30 min

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

Problem

A cyclist rides 3 km due east and then 2 km due west in a total time of 30 min. Which statement correctly compares the average speed

v_{\text{avg}}

and the magnitude of the average velocity

|\bar v|

for the trip? (a)

v_{\text{avg}} = |\bar v|

(b)

v_{\text{avg}} > |\bar v|

(c)

v_{\text{avg}} < |\bar v|

(d) Comparison impossible without knowing individual speeds