An 80-Kg Object Moving 4

question 63

Multiple Choice

An 8.0-kg object moving 4.0 m/s in the positive x direction has a one-dimensional collision with a 2.0-kg object moving 3.0 m/s in the opposite direction. The final velocity of the 8.0-kg object is 2.0 m/s in the positive x direction. What is the total kinetic energy of the two-mass system after the collision?

• A) 32 J
• B) 52 J
• C) 41 J
• D) 25 J
• E) 29 J

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