Question

A particle moves in east with velocity of 15 m/s for 2 sec. then moves northward with 5 m/s for 8 sec, then average velocity of the particle is-

(A) 1 m/s (B) 5 m/s (C) 7 m/s (D) 10 m/s 

Answer 1

Correct option (B) 5 m/s 

Explanation:

average velocity = Total displacement/Total time

= 50/10