Q. A particle moves in straight line with velocity $6 m / s$ and $3 m / s$ for time intervals which are in ratio $1 : 2$ . Find average velocity.

707 169 Motion in a Straight Line Report Error

A

$2 m / s$

25%

B

$3 m / s$

48%

C

$4 m / s$

20%

D

$5 m / s$

6%

Solution:

Correct answer is (c) $4 m / s$