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How are the cylinder and the sphere different?
A cylinder is more of a tube with flat circles on each end. A sphere is like a basketball, baseball, soccer ball, etc.
How many planes of symmetry does a sphere have?
A sphere has an infinite number of planes of symmetry. The plane must include the center of the sphere, but it can tilt at any angle. The question is the same as asking "How many planes can be drawn through one point ?" The answer is: An infinite number. And as long as the point is the center of the sphere, each plane is a plane of symmetry of the sphere.
How the volume of the sphere is deduced?
By integration. That means that in theory, the sphere is divided into many small pieces - for example, flat slabs, and the volume of each one is approximated.
What is the acceleration of a small metal sphere as it falls through water the sphere weighs 0.28N in air and has a volume of 13centimeter's cube?
5.2 m/s^2
What does the radius of a sphere?
The radius of a sphere is equal distance from the center of the sphere to all points within the sphere.
