P27_056.PDF

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Chapter 27 - 27.56
56. We find the drift speed from Eq. 27-7:
v d = |
|
ne
=1 . 5
×
10 4 m / s .
At this (average)rate, the time required to travel L =5 . 0mis
t = L
v d =3 . 4
×
10 4 s .
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