New posts in Homework And Exercises

Approximating an expression for a potential

What is the difference between position, displacement, and distance traveled?

Is idempotency, $\rho^2=\rho$, a necessary and sufficient condition for $\rho$ to be a pure state?

When to apply Lorentz transformations and laws of time dilations and length contractions: explanations

Compute the Legendre transform for a singular Lagrangian

Finding the dimensions of a spacetime given the Riemann tensor

Which sphere is fastest?

Can Potential Energy be found by Energy Density?

Why do I get negative height?

Number of GPS satellites required to give 100% coverage