/sci/ - Science & Math » Thread #7616006

[19 / 8 / ?]

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Anonymous Sun 25 Oct 2015 23:16:10 No.7616006 View Reply Report Delete

Quoted By: >>7616019 >>7616026 >>7616538 >>7616560 >>7616608 >>7617260

How do I find the acceleration due to gravity in my specific location (unlike the average 9.8m/sec/sec)?

Anonymous

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Anonymous Sun 25 Oct 2015 23:21:25 No.7616019 Report Delete

Quoted By: >>7616025 >>7616031

>>7616006
Get a measuring tape and tap it to the wall.
Get a ball in one hand and have a digital stopclock in the other.
Drop the ball from the top of the measuring tape and hit the stop clock, stop it when it hits the ground.

The length on the measuring tape divided by the time on your stopclock is acceleration due to gravity.

No need to thank me, bro, I like helping.

Anonymous

Anonymous Sun 25 Oct 2015 23:23:43 No.7616025 Report Delete

Quoted By: >>7616040

>>7616019
>Implying precision
Lookup your local altitude and plug it into Gmm/r^2

Anonymous

Anonymous Sun 25 Oct 2015 23:24:09 No.7616026 Report Delete

Quoted By:

>>7616006

drop something in a vacuum and compare time to displacement, idiot
or just google it, that would be easier and probably give more accurate results.

>i just did a 10th graders homework
>feels bad

Anonymous

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Anonymous Sun 25 Oct 2015 23:27:02 No.7616031 Report Delete

Quoted By: >>7616040

>>7616019
1. You didn't ignore air resistance

2. It's 2 times the length / by time squared

2 times Length/time^2

Anonymous

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Anonymous Sun 25 Oct 2015 23:29:33 No.7616040 Report Delete

Quoted By: >>7616062

>>7616025
Experimental error is a part of life, bro.

>>7616031
Hey, bro, I'm not some kind of mathematician take your gay proofs and go suck off Wittgenstein or Pascal or one of those other fags.

Anonymous

Anonymous Sun 25 Oct 2015 23:35:28 No.7616062 Report Delete

Quoted By: >>7616067

>>7616040
Listen up fag this is literally High school Physiscs. Stfu with your retarded "mathematician" lazy gay talk.

Anonymous

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Anonymous Sun 25 Oct 2015 23:37:34 No.7616067 Report Delete

Quoted By: >>7616077

>>7616062
I'm a fuckingt phsiscs ph,doctor so stfu you you lazy maths nerd

Anonymous

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Anonymous Sun 25 Oct 2015 23:40:19 No.7616077 Report Delete

Quoted By: >>7616092

>>7616067
Caught my extra s nice job fag.

sure M8 yes

Anonymous

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Anonymous Sun 25 Oct 2015 23:45:42 No.7616092 Report Delete

Quoted By: >>7616107

>>7616077
wew capitalizing your M

are you compensating for something you have that's always small?

Anonymous

Anonymous Sun 25 Oct 2015 23:52:50 No.7616107 Report Delete

Quoted By: >>7616124

>>7616092
Listen up fag, you gave wrong info, I corrected it. Quit being butthurt over everything.

Anonymous

Anonymous Mon 26 Oct 2015 00:02:10 No.7616124 Report Delete

Quoted By: >>7616132

>>7616107
I think you're the one with my mangled buttocks, friendo. If that phony equation you gave is even real (probably isn't, you're probably on autistic basement dweller trying to look smart on the internet by making stuff up) then prove my one is incorrect, bro.

Anonymous

Anonymous Mon 26 Oct 2015 00:06:58 No.7616132 Report Delete

Quoted By:

>>7616124
1. You didn't exclude Air resistance.
2. Length divided by time is Velocity
3. Velocity ≠ Acceleration

Anonymous

Anonymous Mon 26 Oct 2015 00:32:29 No.7616169 Report Delete

Quoted By:

Pendulum fam. Or spring.

Anonymous

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Anonymous Mon 26 Oct 2015 09:31:26 No.7616538 Report Delete

Quoted By:

>>7616006
www.google.com/search?q=local+gravity
else long pendulum at small amplitude
hyperphysics.phy-astr.gsu.edu/hbase/pend.html

Anonymous

Anonymous Mon 26 Oct 2015 10:06:45 No.7616560 Report Delete

Quoted By:

>>7616006
Despite what the autismos on /sci/ might have you believe, ignoring drag is a perfectly valid approximation for a simple experiment, provided you aren't preforming your experiment in a gale or in a thick fluid. So what you need to do is get a pendulum made with a heavy plum bob and a light weight wire. From there you just need to set it into small amplitude motion (so just displace it a little from its equilibrium). Record the time it takes to do one oscillation (so the time until it returns to where you displaced it from), do this for a range of lengths of wire. Once you're done use the fact that $T \approx 2\pi \sqrt{\frac{l}{g}}$ and plot $T^2 ~ against ~ l$ the gradient of that graph will give you $G= \frac{4\pi^{2}}{g}$ so just solve for g.

Anonymous

Anonymous Mon 26 Oct 2015 10:36:48 No.7616608 Report Delete

Quoted By:

>>7616006
Overkill. I don't give a fuck, I use 10, it werks.

Anonymous

Anonymous Mon 26 Oct 2015 10:58:59 No.7616636 Report Delete

Quoted By:

Solve Einstein's Equations

Anonymous

Anonymous Mon 26 Oct 2015 15:30:59 No.7617260 Report Delete

Quoted By:

>>7616006
Gravity is just a theory. You should try the experiment using ether or temperature theory too for a true test. The world might not be a ball kiddo.

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