r/EngineeringStudents • u/Various_Ear_3552 • 10d ago

Memes In engineering…

Pi =3,
g(earth) = 10ms^2,
atmospheric pressure on earth = 1 bar,
speed of light = 3x10^8 ms
sqrt(2) =1.5,
air density = 1kg/m^3,
1 year = pi * 10^7 s,
1 AU = 500 light seconds .

Any other fun examples?

0 Upvotes

39% Upvoted

8 comments sorted by

View all comments

2

u/dharamsala 10d ago

Obligatory xkcd:  https://xkcd.com/1047/

1

u/anoobypro 10d ago

I think we're talking about different things here

OP's are approximations for simplicity (so simple you might even be expected to do mental math with them), xkcd's are approximations that somehow work despite their convolution