DHS 13.3 - Option 16. Decisions Ryabushko AP

DHS 13.3 - Option 16. Decisions Ryabushko AP

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

1.16. D: y = √x, y = x, μ = 2 - x - y

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

2.16. D: x2 + y2 - 2ay = 0, x2 + y2 - ay = 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.

3.16. V: z = 9√x2 + y2, z = 36

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.

4.16. V: 2y = x2 + z2, y = 2, Oy

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