Question

A body takes 2h to move from point A to point B and 3h to come back. The distance between A & B is 200km. Find the average speed and average velocity

Answer 1

we use the formula of average speed so total number of distance /tolal time 200+200/3+2
$200 + 200 \div 2 + 3$

Answer 2

Answer: The average speed is 80 km/h and average velocity is zero.

Explanation:

Given that,

Time from point A to B = 2 h

Time from point B to A = 3 h

Distance d = 200 km

We know that,

Average speed = Total distance/ Total time

$v = \dfrac{400}{5}$

$v = 80\ km/h$

Average speed = 80 km/h

The average velocity is

Average velocity = displacement /time

$v_{avg}= \dfrac{200-200}{5}$

$v_{avg}= \dfrac{0}{5}$

$v_{avg}= 0$

Hence, The average speed is 80 km/h and average velocity is zero.