During Hockey Practice, Two Pucks Are Sliding Across the Ice

question 15

Multiple Choice

During hockey practice, two pucks are sliding across the ice in the same direction. At one instant, a 0.18-kg puck is moving at 16 m/s while the other puck has a mass of 0.14 kg and a speed of 3.8 m/s. What is the velocity of the center of mass of the two pucks?

• A)5.0 m/s
• B)7.0 m/s
• C)9.0 m/s
• D)11 m/s
• E)13 m/s

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Definitions:

Angry

An emotional state characterized by strong feelings of displeasure, irritation, or animosity towards someone or something.

Male

A term used to describe the sex that produces small, mobile gametes (sperm) in the context of biological reproduction in species that have sexual differentiation.

Female

Referring to the sex that is biologically determined by the presence of two X chromosomes, typically associated with reproductive and sexual functions specific to this group.

Psychological Level

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