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A sphere with radius 0.205m has density ? that decreases with distance r from the center of the sphere according to ?=3.25×103kg/m3?(9.25×103kg/m4)r
a) calculate the total mass of the sphere
b) calculate the moment of inertia of the sphere for an axis along the diameter.
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The air at the beginning of the compression stroke of an air-standard Otto cycle is at 0.095 MPa and 22°C, and the cylinder volume is 2800 cm3.
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