The following notation is used in the problems: M = mass , x ¯ , y ¯ , z ¯ = coordinates of center of mass (or centroid if the density is constant), I = moment of inertia (about axis stated), I x , I y , I z = moments of inertia about x, y, z axes, I m = moment of inertia (about axis stated) through the center of mass. Note: It is customary to give answers for I , I m , I x , etc., as multiples of M (for example, I = 1 3 M l 2 ). A chain in the shape y = x 2 between x = − 1 and x = 1 has density x . Find (a) M , (b) x ¯ , y ¯ .
The following notation is used in the problems: M = mass , x ¯ , y ¯ , z ¯ = coordinates of center of mass (or centroid if the density is constant), I = moment of inertia (about axis stated), I x , I y , I z = moments of inertia about x, y, z axes, I m = moment of inertia (about axis stated) through the center of mass. Note: It is customary to give answers for I , I m , I x , etc., as multiples of M (for example, I = 1 3 M l 2 ). A chain in the shape y = x 2 between x = − 1 and x = 1 has density x . Find (a) M , (b) x ¯ , y ¯ .
The following notation is used in the problems:
M
= mass
,
x
¯
,
y
¯
,
z
¯
=
coordinates of center of mass (or centroid if the density is constant),
I
=
moment of inertia (about axis stated),
I
x
,
I
y
,
I
z
=
moments of inertia about x, y, z axes,
I
m
=
moment of inertia (about axis stated) through the center of mass.
Note: It is customary to give answers for
I
,
I
m
,
I
x
, etc., as multiples of M (for example,
I
=
1
3
M
l
2
).
A chain in the shape
y
=
x
2
between
x
=
−
1
and
x
=
1
has density
x
.
Q/Determine the set of points at which
-
f(z) = 622 2≥ - 4i/z12
i
and
differentiable
analytice
is:
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
Probability And Statistical Inference (10th Edition)
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