Applied Maths
Errata in Fundamental Applied Maths (3rd Edition)
Page 
Where exactly? 
Errata 
52 
RHS, (v) 11th line down 

58 
LHS, (iii) 6 lines down 
and not 
61 
Q 16, 4th line 
not 
83 
Q20 diagram: Fig 4.65 
The left mass is m not M 
102 
Right hand column 
Heading: Conservation of Momentum [not Energy] 
104 
Fig 5.28 in Q 2 
Radius = r and speed = 
119 
Q1 (ii) 
Find the total horizontal distance before … 
136 
Fig 7.38 in Q 10 
The radius is 2d 
148 
Q 13 (table) 
The last two entries should be 6560 and 8439 (not 6570, 8469) 
149 
Q 1 

161 
Q 13 (a) (ii) 
[not 2 and 2] 
189 
Ex 10.E Q 5 
5 (ii) … where 
191 
Worked Example 10.9 
4th line 63 kW [Not 6.3]. In lines 3, 4, 7 and 8 of solution: 63000 [not 6300] 
192 
Q 7 
(ii) not in 
209 
Q12 Fig 11.59 
d is too small 
210 
NodeDegree table 
K has degree 0 [not 2] 
218 
Fig 11.86 in Q4 
There should be no line BE 
223 
Worked Example 11.8 
[AB] is 10 [not 6] 
229 
Q3 (i) 
(starting at B) [not P] 
231 
Q6 diagram 
Main road goes A to B (not B to A) 
241 
Q1 diagram 
[CE] has weight 8 [not 5] 
254 
Q7 solution on Folenshive 
Edge should go 1 to 5 with no dummy 
254 
Q8 solution on Folenshive 
The dummy should be from node 7 to node 8 
255 
Q10 (a) 4th line down 
(using exactly two dummies) 
262 
Q9 diagram 
Lefttoright arrows along T and U 
266 
Fig 12.97 
The upper box labelled D should be labelled B 
266 
Fig 12.97 
F should have just one more box inside dotted line (not 2) 
266 
Fig 12.97 
G should have two more boxes inside dotted line (not 1) 
268 
Last line of page 
Add: But if we swap D and F (being careful to check for precedence) we can reduce the project time to 25 days with Worker 1 doing ACFIJ and Worker 2 doing BEDGH. 
269 
Q1 diagram 
X(3) [Not X(8)] 
270 
Q6 Fig 12.111 
Box at end of F(2) is 2/2. Box at end of G(7) is 7/8 
275 
Worked Example 12.15 
[CF} has weight 20 
277 
Fig 12.121 in Q2 
Arc [CG] has length 20 
284 
Cider 413 
165 + 335 = 500* [Next line is 460 (not 460*)] 
284 
Cider 541 
225 + 125 = 350 
284 
Pig feed 514 
85 + 460 = 585 
286 
Q2 first line 
her company’s products (not his) 
287 
Q3 line 4 
Atiq (not Seamus) 
305 
Ex 1.F Q 2(a)(ii) 

305 
Ex 1.F Q 2(b)(iii) 
< 
307 
Ex 3.C, Q 3 (i) 
m/s 
307 
Ex 3.D, Q 4 (i) 
22.4 m 
308 
Ex 3.F, Q 5(ii) 

309 
Ex 4.F, Q 7(iii) 
1.225 (not 1.96) 
309 
Ex 5.F Q3 (ii) 
0.35 
309 
Ex 5.F Q7 
9.84375 m 
311 
Ex 8.A Q 13 (ii) 
10508 million litres (not 10568) 
312 
Ex 8.C Q 9 
(i) (ii) (a) (b) 23 (c) 20. 
314 
Ex 9.I Q3 (b) 
(i) 160 J (iii) 320 J 
315 
Ex 9.I Q 8 (iv) 
1 m/s2 (not 1 m/2) 
315 
Ex 10.G Q3 
3. (ii) 
316 
Ex 11.A Q9 
(ii) 3 [not 2] 
316 
Ex 11.B 3 (a) Last answer 
ADCBXYZW [not ACBYZW] 
317 
Ex 11.A Q4 (a) 
Last line is 10000 [not 00001] 
317 
Ex 11.A Q4 (e) 
1, Yes, ACDEA [not ADEBA] 
318 
Ex 11.F Q6 (ii) 
5 [not 5, 4] 
318 
Ex 11.F Q10 (ii) 
€53940 [not €53490] 
318 
Ex 12.A Q14 
0 < x < 20 
319 
Ex 12.B 
Delete answers to 6 and 9 
319 
Ex 12.C and 12.D 
The answers to these two whole exercises to be swapped: 12.C <>12. D 
319 
Ex 12.F Q4 (ii) 
A, C, J. L [not A, C, I, L] 
319 
Ex 12.F Q6 (ii) 
B, E, H, J, L [not C, E, H, J, L] 
319 
Ex 12.H Q1 
(i) SBGDT (ii) 23 km 
319 
Ex 12.H Q3 (b) 
ACEGI [not SAEGI] 
320 
Ex 12.I Q9 
(CS, Ec, AM) = (1, 3, 1) or (2, 2, 1) or (2, 1, 2) [+50%] 
320 
Ex 12.J Q7 
(ii) Average = €21,000 