4 years ago

What is sound

1 answer:

7 0

Answer:

i think that the one about vibrations is the one, because mechanical energy is energy that moves things, energy of moving electrons is electrical energy, and light definitely doesn't have to do with sound. I'm not quite sure tho because none of these definitions are that good :/

You might be interested in

A current i travels counterclockwise through a closed copper wire loop which has the shape of a rectangle with sides 'a' and 'b'

Maru [420]

<span>A current i travels counterclockwise through a closed copper wire loop which has the shape of a rectangle with sides</span>

4 0

3 years ago

After a new aircraft has passed ground and flight tests, the aircraft must receive a series of certificates before it can be mas

ollegr [7]

Answer:

A production certificate Shows that the aircraft met FAA construction and performance standards

Explanation:

Federal Airport Authority (FAA), is the body that check the standard operations of air craft activities in a country.

7 0

4 years ago

Researchers at the University of Georgia have evaluated trends in streamside forests in areas within roughly 400 feet of the sta

Colt1911 [192]

<span>B: adds aesthetic value to the landscape. Think about it, out of all your options, that's the one that doesn't really help anything.

And I took the test, so take my word for it.</span>

6 0

3 years ago

Avg velocity definition | Problem Average velocity vectors…

Aneli [31]

Answer:

point in the same direction as the change in position.

require knowing the initial and final position, along with the elapsed time.

Explanation:

As we know that average velocity is defined as the ratio of change in position and the time interval of the object

It is given as

$v_{avg} = \frac{\Delta x}{\Delta t}$