Answer to Question #294317 in Physics for mrymmm

Question

You step onto a hot beach with your bare feet. A nerve impulse, generated in your foot, travels through your nervous system at an average speed of 139 m/s. How much time does it take for the impulse, which travels a distance of 1.73 m, to reach your brain?

Answer 1

The time will be equal to the distance divided by speed:

$$t = \dfrac{1.73m}{139m/s} \approx 12.4\times 10^{3}s = 12.4ms$$

Answer. 12.4 ms.