When an 6-Kg Object Increases Its Potential Energy by 540

question 57

Multiple Choice

When an 6-kg object increases its potential energy by 540 J, approximately how has its position changed?

• A) It has risen vertically 9 m.
• B) It has fallen vertically 9 m.
• C) It has risen vertically 90 m.
• D) It has moved horizontally 90 m.

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Definitions:

Inspiratory Center

A region in the brainstem involved in the regulation of inspiration, or the intake of air into the lungs.

Chloride Shift

The movement of chloride ions into red blood cells as hydrogen ions move out to maintain electrochemical equilibrium, especially important in carbon dioxide transport in the blood.

Bicarbonate Ions

An alkaline ion that acts as a pH buffer in blood and other bodily fluids.

Red Blood Cell Membrane

The semi-permeable membrane that encloses the cytoplasm of red blood cells, maintaining its shape and flexibility, and facilitating gas exchange.