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Earth's rotation and a helicopter [duplicate]
Imagine a helicopter that took off from point A on the ground and goes vertically in the air to a certain fixed point B in the atmospheric area at a certain fixed altitude with enough fuel to stay ...
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Does Earth get gravity due to it's spinning? [duplicate]
Consider my example below.
Example: 1. A man standing on grass(point) on earth surface.
2. He jumped.
3. And returned back, and he could find the same grass(point) under his foots. Right?
If earth is ...
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