Veronica and Kevin standing on a vantage point about 200 m above sea level and watching the sun go down on the horizon . Veronica says that Horizon is located approximately 100 km away. Kevin knows a formula can be used to calculate the distance to the horizon. If you are h meters above sea level , it is S kilometers to horizon , S = sqrt ( 13h) . Compliant Veronicas claim? Justify your answer with estimates .
