4 ms·
The best part of this is the area of a circle, which is the integral with respect to r of rtau, or taur^2/2. Sure, pi*r^2 is nice and easy to remember, but als
by bascule 15y ago
The best part of this is the area of a circle, which is the integral with respect to r of rtau, or taur^2/2.
Sure, pi*r^2 is nice and easy to remember, but also remember even the mnemonic is wrong... pies are round!
- DrHankPym 15y agoIt's also easier to remember that the area of a unit circle is pi. Also, e ^ (-i * pi) + 1 = 0
- RuggeroAltair 15y agoWhat's the kinetic energy of a unit speed, unit mass? What's the potential energy of a unit distance unit spring constant? What's the energy of a unit mole, unit temperature in Boltzmann units? :-)