Line integrals of vector fields in the plane Given the following vector fields and oriented curves C , evaluate ∫ C F ⋅ T d s . 34. F = (– y, x ) on the semicircle r ( t ) = (4 cos t , 4 sin t ), for 0 ≤ t ≤ π
Line integrals of vector fields in the plane Given the following vector fields and oriented curves C , evaluate ∫ C F ⋅ T d s . 34. F = (– y, x ) on the semicircle r ( t ) = (4 cos t , 4 sin t ), for 0 ≤ t ≤ π
Line integrals of vector fields in the planeGiven the following vector fields and oriented curves C, evaluate
∫
C
F
⋅
T
d
s
.
34. F = (–y, x) on the semicircle r(t) = (4 cos t, 4 sin t), for 0 ≤ t ≤ π
Quantities that have magnitude and direction but not position. Some examples of vectors are velocity, displacement, acceleration, and force. They are sometimes called Euclidean or spatial vectors.
sy = f(x)
+
+
+
+
+
+
+
+
+
X
3
4
5
7
8
9
The function of shown in the figure is continuous on the closed interval [0, 9] and differentiable on the open
interval (0, 9). Which of the following points satisfies conclusions of both the Intermediate Value Theorem
and the Mean Value Theorem for f on the closed interval [0, 9] ?
(A
A
B
B
C
D
=
Q6 What will be the allowable bearing capacity of sand having p = 37° and ydry
19 kN/m³ for (i) 1.5 m strip foundation (ii) 1.5 m x 1.5 m square footing and
(iii)1.5m x 2m rectangular footing. The footings are placed at a depth of 1.5 m
below ground level. Assume F, = 2.5. Use Terzaghi's equations.
0
Ne
Na
Ny
35 57.8 41.4 42.4
40 95.7 81.3 100.4
Q1 The SPT records versus depth are given in table below. Find qan for the raft 12%
foundation with BxB-10x10m and depth of raft D-2m, the allowable
settlement is 50mm.
Elevation, m 0.5 2
2 6.5 9.5 13 18 25
No.of blows, N 11 15 29 32 30 44
0
estigate shear
12%
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