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2 years ago

As mass increases whst happens to the kinetic energy

Physics

2 answers:

scZoUnD [109]2 years ago

6 0

Answer:

It increases as the square of its speed.

bulgar [2K]2 years ago

4 0

Answer:

Explanation:
Mass is increase KE is increase
B/C mass is directly proportional to KE

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Point A and B located at 4 meters and 9 meters from a source of the sound. If IA and IB are intensity at point A and point B, th

elena-14-01-66 [18.8K]

The intensity ratio at point A and B will be 81:16.

<u>Explanation:</u>

Sound waves are known to get faded with increase in the distance. This is because, the intensity of the sound is inversely proportional to the square of the distance of the source from the observer. So, if an observer is standing greater distance from the source of the sound, he/she will find difficulty in hearing the sound.

So, as the distance between the source and observer increases, the intensity of the sound wave decreases.

$I = \frac{1}{r^{2} }$

As here two points A and B are located at 4 m and 9 m distance from the source, then the intensity of sound at A and B will be inversely proportional to their respective square of the distance as shown below.

$I_{A} =\frac{1}{r_{A}^{2} } = \frac{1}{4 \times 4}=\frac{1}{16}$

Similarly,

$I_{B} =\frac{1}{r_{B}^{2} } = \frac{1}{9 \times 9}=\frac{1}{81}$

So, the ratio of intensity at point A and B will be

$\frac{I_{A} }{I_{B} } = \frac{81}{16} =81:16$

Thus, the intensity ratio at point A and B will be 81:16.

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3 years ago

Hydrogen bonds are weaker than the bond that holds hydrogen to oxygen in a

gulaghasi [49]

Answer:

Your answer is false

Explanation:

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3 years ago

Bees can see into the ultraviolet region of the electromagnetic spectrum. Compared with humans, bees can sense

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The answer is ”D”, “a higher frequency and a shorter wavelength.

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4 years ago

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An atom with an imbalance of electrons to protons is

alexdok [17]

<h2>Answer: Ion </h2>

An ion is an atom that is electrically charged by <u>gaining or losing one or more electrons. </u>

To understand it better:

An atom has a nucleus with electrons around it and has a neutral charge. When an electron is added or detached, this atom is electrically charged, that is, it ceases to have a neutral charge and becomes an <u>ion</u>.

In this sense, there are two types of ions:

-Anions: ions negatively charged, by the gain of electrons in the atom.

-Cations: ions positively charged, by the loss of electrons in the atom.

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4 years ago

An electric current in a metal consists of moving

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The answer would be (A) Protons

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3 years ago