A spherical shell centered at the origin has an inner radius of 7 cm and an outer radius of 8 cm. The density, 6, of the material increases linearly with the distance from the center. At the inner surface, &-8 gm/cm³; at the outer surface & = 10 gm/cm³. (a) Using spherical coordinates, write & as a function of p. Use rho for p. 6-20-6 calcPad Operations Functions Symbols Relations (b) Set up the integral to find the mass of the shell. Sets Vectors Trig Greek (c) Evaluate your integral in part (b). Give an exact answer. Submit Answer dp de de + X Voo! 8

Advanced Engineering Mathematics
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Author:Erwin Kreyszig
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Chapter2: Second-order Linear Odes
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A spherical shell centered at the origin has an inner radius of 7 cm and an outer radius of 8 cm. The density, 6, of the material increases linearly
with the distance from the center. At the inner surface, 8 = 8 gm/cm³; at the outer surface &= 10 gm/cm³.
(a) Using spherical coordinates, write & as a function of p. Use rho for p.
calcPad
Operations
8-2p-6
Functions
✓
Symbols
(b) Set up the integral to find the mass of the shell.
Relations
Sets
Vectors
Trig
Greek
Hell
(c) Evaluate your integral in part (b). Give an exact answer.
Submit Answer
dp de de
SX+
Voo!
Transcribed Image Text:A spherical shell centered at the origin has an inner radius of 7 cm and an outer radius of 8 cm. The density, 6, of the material increases linearly with the distance from the center. At the inner surface, 8 = 8 gm/cm³; at the outer surface &= 10 gm/cm³. (a) Using spherical coordinates, write & as a function of p. Use rho for p. calcPad Operations 8-2p-6 Functions ✓ Symbols (b) Set up the integral to find the mass of the shell. Relations Sets Vectors Trig Greek Hell (c) Evaluate your integral in part (b). Give an exact answer. Submit Answer dp de de SX+ Voo!
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