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

Mathematics

Zoie Snyder

26 June, 04:52

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

+2

Answers (1)

Know the Answer?

Armani Pham · 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