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3 years ago

13

What effects does using fossil fuels have on our planet

2 answers:

kenny6666 [7]3 years ago

3 0

The Damage Fossil Fuels<span> can do. However they are obtained, whether through traditional or new methods such as fracking, </span>burning fossil fuels<span> such as oil, coal and gas results in the production of carbon dioxide and other greenhouse gases, which cause global warming.</span>

garik1379 [7]3 years ago

3 0

However they are obtained, whether through traditional or new methods such as fracking, burning fossil fuels such as oil, coal and gas results in the production of carbon dioxide and other greenhouse gases, which cause global warming.

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garik1379 [7]

C. 32400 because 540 * 60 = 32400

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3 years ago

When point charges q = +8.4 uC and q2 = +5.6 uC are brought near each other, each experiences a repulsive force of magnitude 0.6

Bezzdna [24]

Answer:

Distance between the charges, r = 0.8 meters

Explanation:

Given that,

Charge 1, $q_1=+8.4\ \mu C=+8.4\times 10^{-6}\ C$

Charge 2, $q_2=+5.6\ \mu C=+5.6\times 10^{-6}\ C$

Repulsive force between charges, F = 0.66 N

Let r is the distance between charges. The formula for the electrostatic force is given by :

$F=k\dfrac{q_1q_2}{r^2}$

$r=\sqrt{\dfrac{kq_1q_2}{F}}$

$r=\sqrt{\dfrac{9\times 10^9\times 8.4\times 10^{-6}\times 5.6\times 10^{-6}}{0.66}}$

r = 0.8009 meters

or

r = 0.8 meters

So, the distance between the charges i 0.8 meters. Hence, this is the required solution.

4 0

3 years ago

Come all ruj-jxgn-qua

Shalnov [3]

Answer:

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4 years ago

if the instantaneous current in the circuit is giveen by I=3 sin theta amperes, the rms value of the current will be

Kisachek [45]

Answer:

$I_{rms}=2.12\ A$

Explanation:

Given that,

The instantaneous current in the circuit is giveen by :

$I=3\sin\theta\ A$

We need to find the rms value of the current.

The general equation of current is given by :

$I=I_o\sin\theta$

It means, $I_o=3\ A$

We know that,

$I_{rms}=\dfrac{I_o}{\sqrt2}\\\\=\dfrac{3}{\sqrt2}\\\\=2.12\ A$

So, the rms value of current is 2.12 A.

4 0

3 years ago

When working with electric charges, what symbol is used in equations to represent the electric field of an object?

Rus_ich [418]

E= electric field

E=F/q= force per unit charge

q= charge

8 0

3 years ago

Read 2 more answers