Nerve impulses travel at different speeds, depending on the type of fiber throug

Question

Nerve impulses travel at different speeds, depending on the type of fiber through which they move. The impulses for touch travel at 76.2 { m m/s}, while those registering pain move at 0.610 { m m/s}. Assume that person's brain is 1.81 m from his toe and that the impulses travel directly from toe to brain.

1.If a person stubs his toe, find the time for the impulse for touch to reach his brain.
t=___s

2.If a person stubs his toe, find the time for the impulse for pain to reach his brain.
t=___s

3.Find the time delay between the pain and touch impulses.
{Delta t} =____s

Explanation / Answer

a) 1.81/76.2= 0.02362 sec

b) 1.8/0.61= 2.9508 sec

c) 2.9508-.02362=2.9272 sec

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