EvenAnswersChap8 - 58 a 0,0 b No additional force is...

Even Answers Chapter 8
8.1:
8) no such triangle exists
10)
60.8, 32.9
92 19 32 41
60 11 119 49
b
β
γ
=
′ ′
=
′ ′ =
r r
r r
12)
7.40 1.67
55.09 124.91
82.74 12.92
c =
=
=
r r
r r
16)
16.7
54.88
73.01
b
α
=
=
=
r
r
24) 576.7 yards
28) a) 836.2 feet b) 5468.4 feet
8.2:
12)
41 39
85 29
72 52
′
=
′ =
′
=
r
r
r
20) 149.9 miles
22) 271.7 feet
24) 60.05°
28) a) 74.9 miles b) N 61.9° E
8.3:
2)
0,9
4,3
4 5 2,39
4 5 18,9
2 10
a b
a b
a b
a b
a
+ =
- = -
+ =
- = -
=

8) These are drawings of vectors, which cannot be shown here.
12) -3 d
14) e
16) 2 f
30)
4
4 =
3
a
π
θ
=
38) 10.1 lb.
46) horizontal: 15.32, vertical 12.86