The speed of a body is 5 m s−1. The time it would take to cover a distance of 6 km is ___ .
Given:
Speed = 5 m s−1
Distance travelled = 6 km = 6000 m.
We know that,
Distance = Speed x Time
⇒Time = DistanceSpeed = 6000 m5 m s−1
⇒Time=1200 s
1 hr =60 min = 3600 s
∴1200 s = 12003600 hr = 13 hr.