A Skier of Mass 50 Kg Is Moving at Speed

question 47

Multiple Choice

A skier of mass 50 kg is moving at speed 10 m/s at point P₁ down a ski slope with negligible friction.What is the skier's kinetic energy when she is at point P₂,20 m below P₁?

• A)2500 J
• B)9800 J
• C)12300 J
• D)13100 J
• E)15000 J

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Definitions:

Sartre

Jean-Paul Sartre, a French existentialist philosopher, playwright, and novelist known for his exploration of freedom, existentialism, and the human condition.

Nietzsche

A German philosopher known for his exploration of individual morality, the will to power, and the critique of religion.

Optimistic View

A tendency to look on the more favorable side of events or conditions and to expect the most favorable outcome.

Unconditional Positive Regard

A nonjudgmental acceptance and support of a person regardless of what the person says or does, as practiced in client-centered therapy.