A Solid Uniform 3

question 159

Short Answer

A solid uniform 3.33-kg disk has thin string of negligible mass wrapped around its rim, with one end of the string tied to the ceiling, as shown in the figure. The disk is released from rest, and as it falls, it turns as the string unwraps. At the instant its center has fallen 2.25 m, (a)how fast is the center moving, and (b)how much rotational kinetic energy does the disk have?

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Definitions:

Countercondition

A behavioral therapy technique where an undesired response to a stimulus is replaced with a desirable one through association of the stimulus with a different, positive condition.

Token Economy

A token economy is a behavior modification system used to increase desirable behavior and decrease undesirable behavior with the use of tokens (symbols) that can be exchanged for rewards.

Behavior Therapy

A therapeutic approach that seeks to change potentially self-destructive or unhealthy behaviors through a variety of techniques.

Psychodynamic Therapy

A therapeutic approach that emphasizes unconscious psychological processes and childhood experiences in influencing current behavior and thoughts.