Question

A particle moves along the sides AB, BC, CD of a square of side 25 m with a velocity of 15 m/*. Its average velocity is

(a) 15 m/*

(b) 10 m/*

(c) 7.5 m/*

(d) 5 m/*

Answer 1

Correct option (d)

Explanation:

t = 75/15 = 5s, vavg = AD/t = 25/5 = 5m/*