A 23-Kg Object Traveling at 6

question 3

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 2.3-kg object?

• 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