Question

A body covers first one-third of the distance with a
velocity 10 ms- in same direction, the second
one-third with a velocity 20 ms- and last one-third
with a velocity of 30 ms-1. The average velocity of
body is
(1) 17.8 ms-1 (2) 16.4 ms-1
(3) 18.3 ms-1
(4) 20.2 ms-1​

Answer 1

A body covers first one-third of the distance with a

velocity 10 ms- in same direction, the second

one-third with a velocity 20 ms- and last one-third

with a velocity of 30 ms-1. The average velocity of

body is

(1) 17.8 ms-1 (2) 16.4 ms-1

(3) 18.3 ms-1

(4) 20.2 ms-1✔

Answer 2

A body covers first one-third of the distance with a

velocity 10 ms- in same direction, the second

one-third with a velocity 20 ms- and last one-third

with a velocity of 30 ms-1. The average velocity of

body is

Answer ↪(4) 20.2 ms-1 ✔✔✔