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sveticcg [70]
3 years ago
8

Protons have a positive charge A.True B.False

Physics
2 answers:
PIT_PIT [208]3 years ago
5 0

Answer:

TRUE

Explanation:

Protons have a positive charge. Electrons have a negative charge. The charge on the proton and electron are exactly the same size but opposite. Neutrons have no charge.

hram777 [196]3 years ago
4 0

Answer:

The answer is A) True. See the explanation below, please

Explanation:

A positively charged subatomic particle within the atomic nucleus is called a proton. The number of protons is given by the atomic number of an element (which is displayed in the periodic table).

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The intensity of a certain siren is 0.060 W/m^2 from a distance of 25 meters. What is the intensity of this siren at a distance
Nady [450]
<h2>The intensity of siren is 0.015 W m⁻²</h2>

Explanation:

The intensity of sound is inversely proportional to the square of distance between source and the observer .

Thus Intensity at a distance 25 m  is I₁ ∝ \frac{1}{r_1^2}                               I

Similarly the intensity at a distance 50 m is I₂ ∝ \frac{1}{r_2^2}               II

Dividing II by I , we have

\frac{I_2}{I_1} = \frac{r_1^2}{r_2^2} = \frac{25^2}{50^2} = \frac{1}{4}

Thus I₂ = \frac{1}{4} x 0.06 =  0.015 W m⁻²

7 0
3 years ago
What’s the answer?hhhu
allsm [11]

Which one if you want independent variable meaning that means  variable (often denoted by x ) whose variation does not depend on that of another.

7 0
3 years ago
A student bangs a brick at the head of a table. Three students are positioned equal distance from the head with their hands on t
iris [78.8K]

Explanation:

that the people closer too the head of the table will feel more vibrations than the people at the end of the table. since the vibrations will slow down as they travel farther down the table

Hope this helps!!

5 0
3 years ago
Convert to the fractional equivalent and reduce 21.12
nignag [31]

The decimal point is placed after two digits starting from the end. For each decimal place, we can write the number divided by 100.

21.12 can be written as \frac{2112}{100}.

Divide the numerator and denominator by 2:

\frac{2112}{100}= \frac{156}{50}

The numerator and denominator can be divided by 2 again:

\frac{78}{25}

There is no other common factor between numerator and denominator other than 1. Hence, it is the reduced form.




3 0
3 years ago
Read 2 more answers
PLEASE ANSWER ASAP, WILL MARK BRAINLIEST***
Andreyy89
The answer is to your question is c
7 0
2 years ago
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