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Q: What object has the greatest density gold sphere plastic cube or wooden sphere?

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A sphere.

Density = mass / volume. You have the density of aluminum and the mass of the aluminum sphere. The volume of a sphere is 4/3*Pi*r^3. Therefore volume = 4/3*Pi*r^3 = mass / density. Solve for r, which is the radius of the sphere.

A sphere is a round object. It has no sides. The object is 3-D. (Three Dimensional)

Hemispherical mean shaped like half a sphere. A sphere is a round solid object like a ball or a planet. The clear plastic dome-like lids McDonald's puts on their milkshakes are hemispherical.

Divide its mass by its volume.

how do you find the mass of a sphere Volume x density => 4/3(pi)(r)3 x density

Measure the diameter and from that calculate the volume, then determine the mass of the sphere on a weighing device. Then it's just density = mass/volume ========================== It again depends on the sphere whether its hollow or its a solid sphere

Sphere

A sphere.

The mass of a sphere is 4/3*pi*r3*d where r is the radius of the sphere and d is the density of the material of the sphere.

If the shape of the object is regular (a cube or a sphere) then the volume can be calculated from the measurement of the object's key dimension(s). And the object's mass can be determined in a mass balance. Give the mass and volume the density is calculated by dividing the mass by the volume. Where the object's shape is irregular, the volume may be determined by measuring the volume of a liquid displaced by submerging the object completely in that liquid.

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