Argument 1:
SOME Flat Earthers suggest that gravity as we know it does not exist. Instead, the flat shaped Earth is accelerating at 9.8 meters per second squared in order for us to "feel" gravity as we are pushed to the ground by Newton's Third Law. How do you explain the enormous speed the Earth must have achieved over the course of 4.543 billion years? Let's put in numbers:
Let's start with the Creationist's idea of a 6000 year old Earth. 6000 years is 1.8922E11 seconds. The Earth's speed, after 6000 years (assuming it started at rest when "God" created it) is:
v = at
v = 9.8*1.8922E11
v = 1.854356E12 m/s
This is 6181.18667 times the speed of light!
What if we use the true age of our planet, around 4.5 billion years? This is around 1.42E17 seconds. Thus the speed of Earth must be:
v = at
v = 9.8*1.42E17
v = 1.3916E18 m/s
That is 4,638,666,666.67 times the speed of light!
Einstein showed that nothing can exceed the speed of light as the mass of an object increases with speed. Exceeding the speed of light would infinitely increase the mass! How can Earth's speed be over 4.5 billion times the speed of light?!
Argument 2:
Most of us have noticed how a ship disappears over the horizon because of Earth's curvature, or how an island appears top first when we sail toward it. How do Flat Earthers explain how objects disappear bottom first the farther we move away from them, or how they appear top first as we get closer and closer?
Argument 3:
Most of us have traveled to different parts around the world, we have experienced jet lag and different time zones. If the Sun rose over a flat Earth, it would be day EVERYWHERE! When the Sun would set, it would be night EVERYWHERE! We would not need any time zones, because 12PM would be day for everybody and 8PM would be night for everybody at the same time. How do you explain this?
*PLEASE REFER TO THE ATTACHMENTS, THEY TOOK ME SOME TIME TO SKETCH AND I THINK THEY ARE VERY "CUTE"
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I patiently await your responses!
-Eratosthenes The Second