A 30-Kg Mass Sliding on a Frictionless Surface Has a Velocity

question 4

Multiple Choice

A 3.0-kg mass sliding on a frictionless surface has a velocity of 5.0 m/s east when it undergoes a one-dimensional inelastic collision with a 2.0-kg mass that has an initial velocity of 2.0 m/s west. After the collision the 3.0-kg mass has a velocity of 1.0 m/s east. How much kinetic energy does the two-mass system lose during the collision?

• A) 22 J
• B) 24 J
• C) 26 J
• D) 20 J
• E) 28 J

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Definitions:

Accommodation

In psychology, the process by which individuals adjust their schemas or ways of thinking to incorporate new information.

Abstract Thinking

The capacity to conceptualize about entities, principles, and notions absent in the physical realm.

Logical Thinking

The process of reasoning consistently in a structured, orderly, and rational manner to come to a conclusion or solve a problem.

Egocentrism

A cognitive characteristic where an individual has difficulty understanding or assuming any perspective other than their own.