New posts in Approximations

Galilean transform as limit of Lorentz one

Is projectile motion an approximation?

How is it possible to differentiate or integrate with respect to discrete time or space?

What is the point of a voltage divider if you can't drive anything with it?

If charges is quantised, how can we use integrals in electrostatics?

Are laws of nature absolute or are they just very good approximations?

Calculating the total time elapsed until two pendulums "stop colliding" gives a divergent result

What does it mean when we say 'The difference between two quantities is of first order'?

Ultra-Relativistic and Non-Relativistic cases for energy of a particle

Is the statement that $U(x)$ is quadratic for simple harmonic motion equally strong as the statement that $F(x)$ is linear?