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Published on Dec 26, 2011
What is the gravitational acceleration in Minecraft? Let us find out!
About the initial height:
TLDR: It's negligible
I only noticed the initial height after I recorded the video, but I conducted additional experiments on the significance of this. The initial height only affects the the maximum height, which causes the maximum height to be 42 instead of 43. Both the time and the horizontal distance are the same.
If the initial height is taken into account, the gravitational acceleration would be 17ms^-2. All the values used and measured were rounded to two significant figures (for convenience and for future videos), which mean that the last digit falls within the expected variation in error with significant figures.
The error from the height is negligible compared to the error in measurement.
A tip of the hat to reddit for starting a discourse on scientific rigour. The rigourous answer is 16.9m/s^2
This is a just parody of science videos. If we really wanted to find how minecraft physics worked, we would just look at the code.