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2 years ago

What does Mrs. Davis say is one of the most important energy principles to understand when learning about the Earth system.

1 answer:

8 0

A very important energy principle to understand is that energy is a quantitative property of any physical system and the main driving force for planet Earth (universe).

<h3>What is energy?</h3>

Energy can be defined as a terminology that is used to connote the ability to do work. This ultimately implies that, energy must be possessed or transferred to a physical object (body) before it can be used in doing a work, perform a task, heat a system on planet Earth.

Generally, there are various sources through which energy can be produced or generated on planet Earth and these include the following:

Petroleum

Natural gas

Coal

Battery

<h3>The types of energy transmission.</h3>

In Science, there are three (3) main types of energy transmission principles and these include the following:

Convection

Radiation

Conduction

In conclusion, it is very important to understand that energy is a quantitative property of any physical system and the main driving force for planet Earth (universe).

Read more on energy here: brainly.com/question/1242059

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<u>Explanation:</u>

When a pebble or a rock is dropped in the water then the ripples or waves are formed which starts moving radially outward. As the time passes, the radius of the circle increases.

Let D be the diameter of the circle.

$\frac{dD}{dt}$ will be the rate of change of diameter of the circle with respect to time.

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$\frac{dA}{dt} = \frac{d [\frac{\pi }{4} D^{2}] }{dt}$

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<u>Using chain rule,</u>

$\frac{dA}{dt} = \frac{\pi }{4} X \frac{d[D(t)^{2} ]}{d[D(t)]} X \frac{d[D(t)]}{dt}$

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$\frac{dA}{dt} = \frac{\pi }{2} D . \frac{d(D)}{dt}$

Thus, the following equation determines the change in area in terms of diameter with respect to time : $\frac{dA}{dt} = \frac{\pi }{2} D . \frac{d(D)}{dt}$

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