The distance that should be travel in 5 hours is 105,000 km.
Given that,
We know that
Speed = Distance ÷ time
21,000 = Distance ÷ 5
So, the distance is
= 21,000 × 5
= 105,000 km
Therefore we can conclude that the distance that should be travel in 5 hours is 105,000 km.
Learn more: brainly.com/question/12319416