Nerve impulses travel at about 100 m s-1.If a women 1.8 m tall steps on a drawing pin (a)roughly how long is it before she knows about it . (b)if she is walking along with a speed of 2m s-1 , how far will she have travelled in this time
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Explanation: t=s/v
t=1.8/100
t=0.018s
How far she move
S=v*t
S=2*0.018
S=0.036m
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