4 years ago

What is an electrical charge ?

1 answer:

8 0

An Electric charge is the physical property of matter that causes it to experience a force when placed in an electromagnetic field.

I hope this helped you with your problem.

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Physics Question:<br> (ignore the part crossed in red) 14459688

adell [148]

Spinning a marshmallow over a fire is effective maybe if you hang it over the fire and heat it up equally on each side

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3 years ago

“Which type of paper, construction paper or notebook paper, will make a paper airplane travel farther?”

DENIUS [597]

Answer:

Notebook paper makes paper airplane fly farther

Explanation:

It's because paper airplane made of notebook is lighter and can fly far.

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2 years ago

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What is the strength of the electric field ep 0.90 mm from a proton?

dem82 [27]

The electric field strength is inversely related to the square of the distance.so the strength of the electric field is given by

$E=\frac{1}{4\pi \epsilon _{0} } \frac{q}{r^{2} } = \frac{k q}{r^{2} }$

Here, $\frac{1}{4\pi \epsilon _{0} } = k$ is constant depend upon medium and its value is $9.0 \times10^{9} \ N m^2/C^2$ and q is charge and r is the distance.

Given $r = 0.90 mm = 9.0 \times 10^{-4} m$ and we know the charge of proton, $q = 1.6\times 10^{-19} \ C$ .

Therefore,

$E=\frac{9.0 \times10^{9} \ N m^2/C^2 \times1.6\times 10^{-19} \ C }{(9.0 \times 10^{-4} m)^2} = 0.177 \times 10^{-2} \ N/C \\\\ E= 1.77 \times 10^{-3} N/C$

4 0

4 years ago

The concentration of an acid or base refers to how completely it dissociates in

Novosadov [1.4K]

Answer:

False

Explanation:

The Concentration of Acid or Base is the ph of the solution.

6 0

3 years ago

Describe seven physical properties that help distin-<br> guish one mineral from another.

Lilit [14]

Answer:

Color, Streak, luster, cleavage and fracture, hardness, crystal shape, and density.

Explanation:

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3 years ago