Chapter 12 Solutions to The Odd Numbered Problem

This solution was provided by Dr. Todd Rayne of Hamilton College.

1. This is a two-layer, seismic-refraction problem. A seismic line was run with the following first-arrival-time results:

Distance Time
(ft) (ms)

 50 10

100 20

150 30

200 32.5

250 36

300 38.5

350 41.5

400 44

450 47

500 49.5

550 53

600 55

(A) Find V₁.

(B) Find V₂.

(C) Find i_c.

(D) Find Z.

A.

B.

C. Using Eqn. 12-6:

D. Using Eqn. 12-7: