Sphere practice problems
A sphere is a perfectly symmetrical three-dimensional geometric shape where every point on its surface is equidistant from a fixed point called the center. It is the mathematical idealization of a round ball.Number of problems found: 228
- Helium balloon
Oscar needs to fill a sphere-shaped balloon with helium. If the balloon has a diameter of 8 inches, what is the total amount of helium that the balloon will hold to the nearest tenth? - The radius 4
The radius of a sphere is r=9 cm. What is the volume of this sphere? Use π ≈ 3.14 and round your answer to the nearest hundredth. cubic millimeters - The Earth and Moon
The diameter of the Moon is approximately 1/4 of the diameter of the Earth. What fraction of the volume of the Earth is the volume of the Moon? - Iron ball 2
What is the mass of the iron ball with a diameter of 1,0 dm? The density of iron is 7870 kg/m³. . - Surface = volume
If the volume and the surface area of a sphere are numerically the same then find its radius. - A hemispherical
A hemispherical bowl has a radius of 3.5 cm. What would be the volume of water it would contain? - Spheres - ratios
The surface area of two spheres are in the ratio 1 : 4 . Find the ratio of their volumes.
- Tent - spherical cap
I have a tent in the shape of a spherical cap. Assume we want the volume to be 4 cubic meters, to sleep two or three people. Assume that the material making up the dome of the ten is twice as expensive per square as the material touching the ground. What - A capsule
A medicine capsule is a cylinder with two hemispheres stuck to each end. Its length is 14 mm, and its diameter is 5 mm. Find its surface area. - Sphere - diameter
What is the diameter of a 1m³ sphere? Write in decimetres - Calculate sphere
Calculate the volume of a sphere with a diameter of 15 cm. - Calculate
Calculate a sphere's volume and surface area with a diameter of 15 m. - Sphere VS
Find the surface and volume of a sphere with a radius of 2 dm. - Gas sphere
The gas tank has the shape of a sphere with a diameter of 14 m. How many m³ of gas will fit in it? - Spheres in sphere
How many spheres with a radius of 15 cm can fit into the larger sphere with a radius of 150 cm?
- Sphere fall
How much percent fall volume of a sphere if the diameter decreases 3×? - Fit ball
What is the size of the surface of a Gymball (FIT - -ball) with a diameter of 65 cm? - How many 9
How much percent volume remains of a sphere if the diameter decrease 3×? - Volume of ball
Find the volume of a volleyball with a radius of 4 1/2 decimeters. Use 22/7 for π - Acceleration and force
On a sphere weighing 100 g, which lies on a horizontal plate, a force acts in the horizontal direction, which gives it an acceleration of 20 cm/s². Find the magnitude of the force.
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