Question

if both observer and moving body are moving with the same velocity of 5m/s in the same direction then distance between them would

Answer 1

distance between them will be same
$relative \: velocity = velocity \: of \: body \: a \div velocity \: of \: body \: b$
Both have same velocity of 5 ms^-1 in the same direction
putting this in the above formula
we get relative velocity =0m/s

Therefore
the distance between them is same

Answer 2

Answer:

since direction is same so distance between them will not same

Explanation:

if you didn't understood yet then think you and your homies are cycling and you all cycling at velocity 5m/s in north direction (straight path) so there also distance between you all is not decreasing