A Kid Slides Down an Icy (Frictionless) Hill Starting from Rest

question 98

Multiple Choice

A kid slides down an icy (frictionless) hill starting from rest. At the top his gravitational potential energy is 500 J.
-He slides part way down the hill to a point where his gravitational potential energy is 200 J.His kinetic energy at that point will be

• A)200 J.
• B)300 J.
• C)some unknown value between 0 and 500 J.
• D)none of the above.

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Definitions:

Subliminal Perception

The process by which stimuli presented below the threshold of conscious awareness influence thoughts, feelings, or actions.

Longest Wavelengths

Refers to the type of electromagnetic waves with the greatest distance between successive crests, typically found in radio waves.

Red Colors

Hue on the visible light spectrum that is associated with warmth, danger, and excitement, often eliciting strong emotions.

Shortest Wavelengths

Refers to light or other waves of the electromagnetic spectrum with the shortest length, typically associated with high energy and frequency, such as gamma rays or X-rays.