How to convert kilometre per hour to metre per second
The water at the beach near the shore is 2 metres deep. Every 1 upon 4 (1/4 in fractional form) kilometres towards the sea ,the depth increase by 3 metres. What will be the depth of the sea at a distance of 5 upon 4 (5/4 in fractional form) kilometres from the beach.
1 kilometre is equal to 1000 metres.