A Sphere Rolls Without Slipping Down an Inclined Plane That $\circ$

question 25

Multiple Choice

A sphere rolls without slipping down an inclined plane that makes an angle 30 ^$\circ$ from the horizontal.The vertical height change is h.Which one of the following statements concerning the velocity when it reaches the bottom is true?

• A)The velocity would be equal to .
• B)The velocity would be zero.
• C)The velocity would be less than if the sphere were sliding without friction and not rolling.
• D)The velocity would be greater than if the sphere were sliding without friction and not rolling.
• E)The velocity does not depend on the moment of inertia of the sphere.

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Definitions:

Atomic Number

The number of protons found in the nucleus of an atom, which determines the chemical properties of an element and its place in the periodic table.

Hydrogen

The lightest and most abundant chemical element in the universe, consisting of just one proton and often one electron.

Neutrons

Subatomic particles found in the nucleus of an atom, with no electrical charge and a mass slightly greater than that of protons.

Protons

Positively charged subatomic particles found in the nuclei of atoms which determine the element's identity and properties.