Question

A body covers a distance of 20 meter from A to B in 5 seconds and returns back to A from B, covering distance of 20 meter in 3 seconds. Find his average speed during whole of the journey. *​

Answer 1

Answer:

20+20=40

5+3=8

average speed=

40/8=5

mark answer as brainest

Answer 2

Answer:

5

Explanation:

step 1:

The distance cover from A to B in 5 sec = 20 m

step 2:

The distance cover from B to A in 3sec = 20 m.

here, their average speed

$= \frac{20 +20 }{5 + 3} = \frac{40}{8} = 5 \: meter \: per \: sec$

thanks