A Block of Wood Half as Dense as Water Floats

question 53

Multiple Choice

A block of wood half as dense as water floats with half its volume above water.A piece of iron is then tied on top so the wood floats with only 1/4 its volume above the surface.If the wood and iron are turned over so that the iron is submerged beneath the wood,then the volume of wood above the water surface will be

• A)more than 1/4.
• B)less than 1/4.
• C)the same,1/4.
• D)There's no way to say.

Comprehend the basics of neuron communication and the analogy of neuron action.

Identify the nervous systems and their roles in regulating physiological and psychological states.

Understand the concept of brain plasticity and how skills or experiences can alter brain structure and function.

Learn about lateralization and the specialization of brain hemispheres in processing different types of information.

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Definitions:

Marginal Returns

The additional output that is produced by using one more unit of a variable resource, keeping all other inputs constant.

Nonlabor Resources

are inputs in the production process that are not related to work or effort by employees, such as capital, land, and materials.

Diminishing

Refers to the principle where increasing one input, while holding others constant, will eventually yield lower per-unit returns.

Long Run

In economics, a period in which all factors of production and costs are variable, and firms can enter or exit the market.