Two Skaters,both of Mass 75 Kg,are on Skates on a Frictionless

question 30

Multiple Choice

Two skaters,both of mass 75 kg,are on skates on a frictionless ice pond.One skater throws a 0.3-kg ball at 5 m/s to his friend,who catches it and throws it back at 5 m/s.When the first skater has caught the returned ball,what is the velocity of each of the two skaters?

• A)0.02 m/s,moving apart
• B)0.04 m/s,moving apart
• C)0.02 m/s,moving towards each other
• D)0.04 m/s,moving towards each other

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Definitions:

Mirror Neuron Activity

Neural activity observed in certain brain regions that activate both when an individual performs an action and when they observe the same action performed by another.

Conscious Reflection

Deliberate thought or meditation on one's own actions, feelings, or thoughts.

Yawn

A reflex consisting of the simultaneous inhalation of air and the stretching of the eardrums, often triggered by tiredness, stress, or boredom.

Mirror Neurons

Neurons that activate both when an individual performs an action and when they observe the same action performed by another, thought to be fundamental to learning and empathy.