While Running, a Person Dissipates About 0

question 82

Short Answer

While running, a person dissipates about 0.6 J of mechanical energy per step per kilogram of body mass. If a 60-kg person runs with a power of 70 Watts during a race, how fast is the person running? Assume a running step is 1.5 m long.

Evaluate the effectiveness of presumed consent policies in addressing organ shortages.

Explore different perspectives on the criteria for organ allocation and distribution.

Recognize the complexities and challenges associated with transplant surgery beyond cost.

Assess the feasibility and ethical implications of assessing moral character in organ recipient selection.

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Definitions:

Echinodermata

A phylum of marine animals characterized by radial symmetry, a water vascular system, and typically a spiny skin.

Radially Symmetrical

A form of symmetry in which body parts are arranged around a central axis, allowing for symmetry in multiple planes.

Deuterostomes

A group of animals in which the anus forms from the first opening in the embryo, with the mouth forming later.

Cnidarians

A phylum of animals that are more complex than sponges, characterized by their radial symmetry, a central gastrovascular cavity, and the presence of cnidocytes; includes jellyfish, corals, and sea anemones.