Calculating time of object given its speed

[Erenjaeger]

Homework Statement

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 121 m/s. How much time does it take for the impulse, which travels a distance of 1.77 m, to reach your brain?

seems like an easy question but have never learned how to do this.

Homework Equations

The Attempt at a Solution

thought it could be t=d/s but it gave me the wrong answer

 

[haruspex]

thought it could be t=d/s but it gave me the wrong answer

please post your answer, and the official answer if you know it.

 

[Erenjaeger]

please post your answer, and the official answer if you know it.

My mistake, i was doing it correctly but rounding to 2 dp when they wanted 3dp.

 

[haruspex]

My mistake, i was doing it correctly but rounding to 2 dp when they wanted 3dp.

Ok!
For what it's worth, nerve impulses from the limbs do not need to reach the brain before you react. Circuits in the spinal cord act first.