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Ivenika [448]
3 years ago
7

Which type of engineer would most likely work with a renewable energy source?

Physics
2 answers:
julia-pushkina [17]3 years ago
8 0
I would say Solar Power Engineer.
babymother [125]3 years ago
8 0

Answer: C. Solar power engineer

Explanation:

A renewable source of energy is the energy that is harnessed from the renewable resources. The renewable resources are those resources which can be replenished once used. These resources are abundantly available in nature. These includes the sunlight, water, wind and forests.

Among the given options solar power engineer is the correct option. This is because of the fact that solar power is a renewable source of energy and it is the source of energy which cannot be depleted in nature. The radiant energy and heat from the sunlight can be used to generate electricity or to run the electrical devices.

The solar power engineer will construct the solar heating appliances, photovoltic cells, solar power plants, and other instruments or devices that works on the solar energy.

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Which of the following would decrease your carbon footprint?
salantis [7]
The third option seems correct. Using any bag more than once will help in decreasing the carbon foot print.

This isds beause, if you use paper bag once only, then paper bag is being utilised and more and more paper is being used. So the best way is to use the bag more than once, whichever bag u are using.
7 0
3 years ago
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The magnetic field inside a superconducting solenoid is 4.00 T. The solenoid has an inner diameter of 6.20 cm and a length of 26
Delvig [45]

Answer:

(a) The magnetic energy density in the field is 6.366 J/m³

(b) The energy stored in the magnetic field within the solenoid is 5 kJ

Explanation:

magnitude of magnetic field inside solenoid, B = 4 T

inner diameter of solenoid, d = 6.2 cm

inner radius of the solenoid, r = 3.1 cm = 0.031 m

length of solenoid, L = 26 cm = 0.26 m

(a) The magnetic energy density in the field is given by;

u _B = \frac{B^2}{2\mu_o} \\\\u _B = \frac{(4)^2}{2(4\pi*10^{-7})}\\\\u_B = 6.366*10^6 \ J/m^3

(b) The energy stored in the magnetic field within the solenoid

U_B = u_B V\\\\U_B = u_B AL

U_B = u_B(A)(L)\\\\U_B = 6.366*10^6(\pi * 0.031^2)(0.26) \\\\U_B = 4997.69 J\\\\U_B = 5 \ KJ\\

6 0
3 years ago
What is the magnitude of the electric force of attraction between two point charges + 2.8 mc and -1.2 mc if the distance
Anit [1.1K]

Answer:

a

Explanation:

it just a

8 0
2 years ago
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mylen [45]
You can estimate one more digit past the smallest division on the measuring device. If you look at a 10mL graduated cylinder, for example, the smallest graduation is tenth of a milliliter (0.1mL). That means when you read the volume, you can estimate to the hundredths place (0.01mL).
6 0
3 years ago
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gulaghasi [49]
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Time for the change = 2 seconds

Acceleration = (-11 km/hr) / (2 sec)

Acceleration = -5.5 km/hr-sec  (B)
5 0
2 years ago
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