A 50-Kg Ball and a 10

question 12

Multiple Choice

A 5.0-kg ball and a 10.0-kg ball approach each other with equal speeds of 20 m/s.If they collide inelastically,the speed of the balls just after the collision is approximately

• A)1.0 m/s
• B)20 m/s
• C)6.7 m/s
• D)1.5 m/s
• E)zero

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Definitions:

Seriation

The ability to arrange objects in order according to a particular characteristic, like size or color, a key concept in cognitive development.

Cognitive Concept

An idea or mental construct that represents understanding, thoughts, or awareness regarding objects, events, or relationships.

Object Reversibility

Refers to the cognitive recognition that relationships or operations can be returned to their original state from a changed state, underscoring a development in logical thinking.

Identical Balls

Objects that are exactly the same in every aspect, such as size, weight, texture, and material.