DHS 13.3 - Option 7. Decisions Ryabushko AP

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Uploaded: 30.11.2016
Content: 7v-IDZ13.3.doc (139,5 kB)


1. Calculate the mass of the D heterogeneous plate, given the limited lines, if the areal density at each point μ = μ (x, y)

1.7. D: x2 + y2 = 4y, μ = √4 - y

2. Calculate the static moment of a homogeneous plate the D, limited data lines, with respect to said axis, using polar coordinates.

2.7. D: x2 + y2 - 2ay ≤ 0, x2 + y2 - 2ax ≥ 0, x ≥ 0, Ox

3. Calculate the coordinates of the center of mass of a homogeneous body, occupying the area of the V, bounded by said surfaces.

3.7. V: z = 8 (x2 + y2), z = 32

4. Calculate the moment of inertia with respect to said homogeneous body axes, occupying the area of the V, the limited data surfaces. body density δ taken equal to 1.

4.7. V: x2 = y2 + z2, x = 3, Ox

Additional information

Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)


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