Why is $dm$ and $\Delta m$ used this way in physics textbooks?
85
Difference between $\Delta$, $d$ and $\delta$
98235
Justifying Gauss Law in 1D
73099
Why is $d(x^2)= 2xdx$?
130497
Understanding Dirac's notation
28057
Deriving $p = mv$ from translational symmetry (momentum conservation law)?
103000
What is the difference between implicit, explicit, and total time dependence, e.g. $\frac{\partial \rho}{\partial t}$ and $\frac{d \rho} {dt}$?
119330
Dirac delta function and volume charge density
123954
Kronecker delta confusion
93539
Why is $M\frac{dv}{dt} = v_{rel} .\frac{dm}{dt}$ correct and $(M - dm)\frac{dv}{dt} = v_{rel} .\frac{dm}{dt}$ wrong?
111596
Epsilon Delta Limit Intuition
100870
In De Broglie's Explanation for Bohr's Quantization Condition, why do we not use 2πr = n λ/2, why do we use 2πr = n λ?
150133
Why is work scalar and the dot product of force and displacement?
155043
Substitution $\partial_\mu \to D_\mu \equiv \partial_\mu + ieA_\mu$ allows the introduction of electromagnetic interactions
6843
Explain $\iint \mathrm dx\,\mathrm dy = \iint r \,\mathrm \,d\alpha\,\mathrm dr$
13274
Why does \cal{M}_n give “M>”?
53610
What is the difference between $Q=\Delta U+W$ and $\Delta U=Q+W$?
146358
Why is there a $\frac 1 2$ in $\frac 1 2 mv^2$?