Depth (m) temp (C

25 5.50

50 5.20

75 5.10

100 5.10

125 5.30

150 5.50

175 5.75

200 6.00

225 6.25

250 6.50

275 6.75

300 7.00

Table 1.18 gives the average temperature, T, at a depth d, in a borehole in Belleterre, Quebec. 13 Evaluate ΔT/Δd on the the following intervals, and explain what your answers tell you about borehole temperature.

(a) 25 ≤ d ≤ 150

(b) 25 ≤ d ≤ 75

(c) 100 ≤ d ≤ 200

Question

Briley Riley

Mathematics

19 February, 03:03

Depth (m) temp (C

25 5.50

50 5.20

75 5.10

100 5.10

125 5.30

150 5.50

175 5.75

200 6.00

225 6.25

250 6.50

275 6.75

300 7.00

Table 1.18 gives the average temperature, T, at a depth d, in a borehole in Belleterre, Quebec. 13 Evaluate ΔT/Δd on the the following intervals, and explain what your answers tell you about borehole temperature.

(a) 25 ≤ d ≤ 150

(b) 25 ≤ d ≤ 75

(c) 100 ≤ d ≤ 200

+1

Answers (1)

Know the Answer?

Ellis Goodman · Answer 1

A.) For 25 ≤ d ≤ 150;

ΔT/Δd = (5.50 - 5.50) / (150 - 25) = 0/125 = 0

b.) For 25 ≤ d ≤ 75;

ΔT/Δd = (5.10 - 5.50) / (75 - 25) = - 0.4/50 = - 0.008

c.) For 100 ≤ d ≤ 200;

ΔT/Δd = (6.00 - 5.10) / (200 - 100) = 0.9/100 = 0.009