A Ball with Diameter 10

question 9

Short Answer

A ball with diameter 10. cm rolls without slipping on a horizontal table top. The moment of inertia of the ball is 2.2 × 10^-3 kg- m² and its translational speed is 0.45 m/s.
(a) What is its angular speed about its center of mass?
(b) What is its rotational kinetic energy?
(c) What is its angular momentum?

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Definitions:

Preoperational

A stage in Piaget's theory of cognitive development, occurring from approximately ages 2 to 7, characterized by symbolic thought and egocentrism but a lack of operational logic.

Sensorimotor

Referring to the developmental stage in infants where they explore the world and learn through physical interactions, involving both sensory experiences and motor activities.

Personality Stability

The consistency of an individual's personality traits and behaviors over time and across situations.

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