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Does everyone learn the same gravity in school or is it different everywhere? (sh.itjust.works)
submitted 11 months ago by charred@sh.itjust.works to c/askscience@lemmy.world
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So, I learned in physics class at school in the UK that the value of acceleration due to gravity is a constant called g and that it was 9.81m/s^2. I knew that this value is not a true constant as it is affected by terrain and location. However I didn't know that it can be so significantly different as to be 9.776 m/s^2 in Kuala Lumpur for example. I'm wondering if a different value is told to children in school that is locally relevant for them? Or do we all use the value I learned?

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[-] huginn@feddit.it 18 points 11 months ago

9.8 is close enough to 10 for most human scale calculations. No need to have extra sig figs

[-] driving_crooner@lemmy.eco.br 16 points 11 months ago

Pi = 3

Sin(x) = x

And now, g = 10. Smh.

[-] Tar_alcaran@sh.itjust.works 18 points 11 months ago* (last edited 11 months ago)

I have a "pi^2 = g" shirt, and every engineer I know loves it, every friend with a scheme background needs to point out that it's wrong.

[-] captainlezbian@lemmy.world 6 points 11 months ago

I’ve seen engineers use all of these. Bridges still work

[-] captainlezbian@lemmy.world 4 points 11 months ago

Yeah air resistance is a stronger factor than those .2 m/s2. If we can ignore it we can ignore both

this post was submitted on 26 Nov 2023
95 points (95.2% liked)

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