In the following exercises, consider a lamina occupying the region R and having the density function p given in the preceding group of exercises. Use a computer algebra system (CAS) to answer the following questions. a. Find the moments M and M. about the x-axis and v-ax is, respectively. b. Calculate and plot the center of mass of the lamina. C. [T] Use a CAS to locate the center of mass on the graph of R. 316. [T] R is the unit disk; ρ ( x , y ) = 3 x 4 + 6 x 2 y 2 + 3 y 4
In the following exercises, consider a lamina occupying the region R and having the density function p given in the preceding group of exercises. Use a computer algebra system (CAS) to answer the following questions. a. Find the moments M and M. about the x-axis and v-ax is, respectively. b. Calculate and plot the center of mass of the lamina. C. [T] Use a CAS to locate the center of mass on the graph of R. 316. [T] R is the unit disk; ρ ( x , y ) = 3 x 4 + 6 x 2 y 2 + 3 y 4
In the following exercises, consider a lamina occupying the region R and having the density function p given in the preceding group of exercises. Use a computer algebra system (CAS) to answer the following questions.
a. Find the moments M and M. about the x-axis and v-ax is, respectively.
b. Calculate and plot the center of mass of the lamina.
C. [T] Use a CAS to locate the center of mass on the graph of R.
316. [T] R is the unit disk;
ρ
(
x
,
y
)
=
3
x
4
+
6
x
2
y
2
+
3
y
4
Verify the given moment(s) of inertia and find x and y. Assume that each lamina has a density of p = 1 gram per square centimeter. (These regions are common shapes used in engineering.)
Circle
=
=
a
2. (Section 16.6, 16.7) Consider lamina (thin plate) R is the region in the ry-plane in the first quadrant bounded by
5
y=72, y = 2,
and the hyperbolas zy 1 and ry = 5. Use the transformation u = 1 and v=ry to transform R in the
ry- plane into region S in the uv-plane.
Find the centroid of the area under y = 4 - x² in the first quadrant.
B. (1.6, 0.95)
A. (0.75, 1.6)
C. (0.74, 1.97)
D. (3.16, 2.53)
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