A 20-Kg Object Moving with a Velocity of 5

question 42

Multiple Choice

A 2.0-kg object moving with a velocity of 5.0 m/s in the positive x direction strikes and sticks to a 3.0-kg object moving with a speed of 2.0 m/s in the same direction. How much kinetic energy is lost in this collision?

• A) 2.4 J
• B) 9.6 J
• C) 5.4 J
• D) 0.6 J
• E) 6.0 J

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