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qaws [65]
2 years ago
15

Nonrenewable energy resources do not include which of the following?

Physics
2 answers:
Tems11 [23]2 years ago
8 0
Hydrogen fuel cells is the answer
Lerok [7]2 years ago
8 0

Answer: The correct answer is-

hydrogen fuel cells.

Hydrogen fuel cells are used for production of electricity whenever it is required. It is an electrochemical cell that is used to generate electricity when it is supplied with hydrogen and oxygen, which together drain as water and generate electricity.

Renewable energy sources are those that can be replenished or renewed naturally ( such as wind power, solar energy, geothermal energy). In other words, these sources of energy never run off.

Hydrogen fuel can be produced by means of renewable energy sources such as wind or solar energy.

Thus, hydrogen fuel cells do not come under non renewable energy resources.

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A homeowner uses a snowblower to clear his driveway. knowing that the snow is discharged at an average angle of 40° with the hor
Nesterboy [21]

given that snow is projected at an angle of 40 degree

It range is given as a = 19 ft

a = 19 * 0.3048 = 5.8 m

now we can use the formula of horizontal range

R = \frac{v_o^2 sin2\theta}{g}

5.8 =\frac{ v_o^2 sin(2*40)}{9.8}

5.8 = \frac{v_o^2 * sin80}{9.8}

v_o^2 = 57.7

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8 0
3 years ago
How much work must be done to bring three electrons from a great distance apart to 5.0×10^−10 m from one another (at the corners
Inessa05 [86]

Answer:

1.38 x 10^-18 J

Explanation:

q = - 1.6 x 10^-19 C

d = 5 x 10^-10 m

the potential energy of the system gives the value of work done

The formula for the potential energy is given by

U =\frac{Kq_{1}q_{2}}{d}

So, the total potential energy of teh system is

U =\frac{Kq_{1}q_{2}}{d}+\frac{Kq_{2}q_{3}}{d}+\frac{Kq_{1}q_{3}}{d}

As all the charges are same and the distance between the two charges is same so the total potential energy becomes

U =3\times \frac{Kq^{2}}{d}

K = 9 x 10^9 Nm^2/C^2

By substituting the values

U =3\times \frac{9\times 10^{9}\times \ 1.6 \times 1.6 \times 10^{-38}}{5\times 10^{-10}}

U = 1.38 x 10^-18 J

6 0
3 years ago
Why are chemical changes considered “unseen”?
jeka57 [31]
<span>Because they occur at an atomic level, changing the actual structure of the thing.

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What is a device that does not work with an electric circuit?
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It would be a bike that doesn't use an electric circuit.
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Aliun [14]
Do you need more info?

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3 years ago
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