A Spring with Spring Constant K = 800 N/m Is

question 5

Multiple Choice

A spring with spring constant k = 800 N/m is extended 12 cm from its equilibrium position. A spring with 6.0 cm extension from equilibrium will have the same potential energy as the first spring if its spring constant is

• A) 200 N/m.
• B) 400 N/m.
• C) 800 N/m.
• D) 1 600 N/m.
• E) 3 200 N/m.

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Definitions:

Cloaca

In early embryos, the endodermally lined chamber into which the hindgut and allantois empty.

Coelom

The fluid-filled cavity within the body of most multicellular animals, surrounded by a mesothelium, that houses and protects internal organs.

Allantois

An embryonic membrane involved in the early fluid exchange between the embryo and the yolk sac.

Hindgut

The posterior part of the alimentary canal in some animals, including the distal colon and rectum in humans.