A Turntable Has a Moment of Inertia of 3

question 32

Multiple Choice

A turntable has a moment of inertia of 3.00 *10 ^-2 kg·m² and spins freely on a frictionless bearing at 25.0 rev/min. A 0.600-kg ball of putty is dropped vertically on the turntable and sticks at a point 0.100 m from the center. By what factor does the angular momentum of the system change after the putty is dropped onto the turntable?

• A) 1.22
• B) 1.00 (no change)
• C) 0.820
• D) 1.20

---

Definitions:

Downward Social Comparison

Comparing oneself to others who are perceived as less fortunate or less successful, often to boost self-esteem or subjective well-being.

Distressful Events

Incidents or situations that cause extreme anxiety, sorrow, or pain, potentially leading to significant psychological or physical impact.

Affiliation

The connection or association with a group, organization, or cause, often determined by shared interests, goals, or identities.

Complementarity Hypothesis

A theory suggesting that positive responses elicit positive reactions and negative responses elicit negative reactions during interpersonal interactions.