Cart A, with a Mass of 0

question 8

Multiple Choice

Cart A, with a mass of 0.2 kg, travels on a horizontal air track at 3 m/s and hits cart B, which has a mass of 0.4 kg and is initially at rest.After the collision the center of mass of the two cart system has a speed in m/s of:

• A)0 m/s
• B)1.0 m/s
• C)2.3 m/s
• D)2.5 m/s
• E)5.0 m/s

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Definitions:

Mandatory

Required by law or rules; obligatory.

Independent Clause

A group of words that can stand alone as a complete sentence because it has both a subject and a verb and expresses a complete thought.

Dependent Clause

A group of words that contains a subject and verb but does not express a complete thought and cannot stand alone as a sentence.

Tough

Used to describe something very difficult to endure or deal with; also, refers to materials or objects that are hard to break or damage.