This discrepancy was the advance in the of Mercury of 42.
This is what allows us to use the Earth's radius for r.
The image on the right, spanning half a second, was captured with a stroboscopic flash at 20 flashes per second.
Being at the north end of the airport, Gravelly Pt is your only spot up close to the runway.
In fact, the same behavioral patterns can be used in almost any life situation.