A 23-Kg Object Traveling at 6

question 19

Multiple Choice

A 2.3-kg object traveling at 6.1 m/s collides head-on with a 3.5-kg object traveling in the opposite direction at 4.8 m/s.If the collision is perfectly elastic,what is the final speed of the ?

• A) 0.48 m/s
• B) 7.1 m/s
• C) 3.8 m/s
• D) 4.3 m/s
• E) 6.6 m/s

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