A Solid Sphere of Mass 2 $\degree$ It Rolls to the Bottom Without Slipping

question 44

Multiple Choice

A solid sphere of mass 2.5 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) 29 J
• D) 8.8 J

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Definitions:

Product Differentiation

Strategies employed by businesses to make their products appear distinct from those of competitors in aspects like quality, design, or other features.

Physical Differences

Refers to the variations in the physical attributes of individuals or objects, including size, shape, and other measurable characteristics.

Monopolistic Competitor

A firm within a competitive market that has the power to influence prices through product differentiation, sitting between perfect competition and monopoly on the spectrum of market structures.

Average Total Cost Curve

A graphical representation showing the average cost of production per unit at different levels of output, combining both fixed and variable costs.