The capability to do work is said to be energy. It can neither be created nor be destroyed according to law of conservation of energy. Energy exist in different forms depends upon the work to be done such as potential energy, kinetic energy, mechanical energy, heat energy etc.

Now, when the guitarist plucks the guitar strings to make sound, he uses mechanical energy and when guitarist plucks the guitar strings guitar produces sound energy also.

Thus, option (d) is the correct answer.

6 0

4 years ago

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Specialized periodicals in which scientists publish the results of their works are called

dybincka [34]

Specialized periodicals in which scientists publish the results of their works are called scientific journals.

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In educational publishing, a scientific journal is a periodical book intended to similarly the progress of technology, typically by way of reporting new studies.

Journal articles may include original research, re-analyses of studies, opinions of literature in a selected place, proposals of new but untested theories, or opinion pieces.

These scientific journals include the following.

original articles,
case reports,
technical notes,
pictorial essays,
reviews,
commentaries
editorials.

Learn more about scientific journals here brainly.com/question/14443228

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8 0

3 years ago

When you convert feet to inches, how do you decide which portion of the conversion factor should be in the numerator and which i

Inessa05 [86]

Answer : The conversion used is, $1\text{ feet}=12\text{ inches}$

Explanation :

The conversion used :

$1\text{ feet}=12\text{ inches}$

For example : To convert 10 feet into inches.

$1\text{ feet}=12\text{ inches}$

$10\text{ feet}=10\text{ feet}\times \frac{12\text{ inches}}{1\text{ feet}}$

$=120\text{ inches}$

From this we conclude that, the conversion factor used in the numerator and denominator for 1 feet should be, $\frac{12\text{ inches}}{1\text{ feet}}$