A Solid Sphere of Mass 4 $\degree$ It Rolls to the Bottom Without Slipping

question 35

Multiple Choice

A solid sphere of mass 4.0 kg and radius 0.12 m is at rest at the top of a ramp inclined 15 $\degree$ .It rolls to the bottom without slipping.The upper end of the ramp is 1.2 m higher than the lower end.Find the sphere's total kinetic energy when it reaches the bottom.

• A)70 J
• B)47 J
• C)18 J
• D)8.8 J

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Definitions:

Conjugation

A form of genetic transfer where two bacteria temporarily join together and directly transfer genetic material between them.

Sex Pilus

A thin, tube-like structure used by bacteria to transfer genetic material during a form of reproduction called conjugation.

Transduction

The process by which sensory stimuli are converted into electrical signals in the nervous system.

Heterotrophic

An organism that obtains its energy and carbon by consuming other organisms, unable to produce its own food.