Homework Help: physics

Posted by jer on Tuesday, September 14, 2010 at 7:42pm.

The speed of a nerve impulse in the human body is about 100 m/s. If you accidentally stub you toe in the dark, estimate the time it takes the nerve impulse to travel to your brain. (Assume that you are approximately 1.8 m tall and that the nerve impulse travels at uniform speed.)

physics - Henry, Wednesday, September 15, 2010 at 5:48pm
d = V * t,
1.8 m = 100 m / s * t,
t = 1.8/100 = 0.018 s.

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