Mathematics, Vector Calculus, Learning Mathematics, Math.
I can see that |dB/ds| is zero for our circle curve (I’m always sitting upright in my little car), and |dB/ds| is constant for the two spiral curves (I’m always sitting at the same slant but my head is pointing in different directions). Let’s verify that: R(t) = cos(t)i + sin(t)j + (0*k) |dR/dt| =