A 20-Kg Object Moving 3 $\degree$ From Its Initial Direction of Motion

question 54

Multiple Choice

A 2.0-kg object moving 3.0 m/s strikes a 1.0-kg object initially at rest.Immediately after the collision,the 2.0-kg object has a velocity of 1.5 m/s directed 30 $\degree$ from its initial direction of motion.What is the y component of the velocity of the 1.0-kg object just after the collision?

• A)-3.7 m/s
• B)-3.4 m/s
• C)-1.5 m/s
• D)-2.4 m/s
• E)-4.1 m/s

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