if you accidentaly stub you toe in the dark, estimate the time it takes the nerv

Question

if you accidentaly stub you toe in the dark, estimate the time it takes the nerve impulse to travel to you 1.7 m tall and that the nerve impulse travels at uniform speed.) 0017 Need Help? a Show My Work Question Details 2 P a) Find the average acceleration of the plane Your response differs sigrificantly from the correct answer. Rework your solution from the beginning and check each step (b) Assuming that the acceleration is constant, find the distance the plane moves Your response is off by a multiple of ten. m Need Help? D Show My Work (tion Question Details SerCP 2 P003 soin HP Compoxq LA2205wg

Explanation / Answer

Solution:

Let us go to the basics first.

(a)Average acceleration, a is given by:

a = (Final speed - Initial speed) / time

=>a = (89.4 - 0) / 2.7 = 33.11 m/s2 (Answer a)

[Final speed = 200 mi/h = 89.4 m/s; Initial speed = 0 since rest; time = 2.7 s]

(b) Distance, s is given by Newton's eqn.:

v2 = u2 + 2as

=>89.42 = 02 + 2*33.11*s

=>s = 120.7 m (Answer)

Thanks!!!

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