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Stels [109]
2 years ago
8

Which circuit would have the most electrical power?

Physics
1 answer:
aliya0001 [1]2 years ago
6 0

the answer is c because it has the most volts

a

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Which of the following lists contains only examples of renewable sources of energy?
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<h3><u>Answer;</u></h3>

A. wind, tidal, geothermal, and hydroelectric

<h3><u>Explanation</u>;</h3>
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1d. Conservation of energy is demonstrated in this roller coaster example.
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Answer:

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3 years ago
How can astrophysicists tell whether a star is receding from or approaching earth?
MrMuchimi

Answer:

Doppler shift of the starlight

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To predict the movement of a star, we compare the spectra of elements found in star (H, He Na etc.), first spectra which are obtained from star and second spectra from laboratory. If spectral lines of the spectra obtained from star, are shifting towards red end (called red shift) then star is going away from earth and if shifting is towards blue (called blue shift), then star is approaching the earth. This is Doppler's shift.

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3 years ago
A straight bar magnet is initially 4 cm long, with the north pole on the right and the south pole on the left. if you cut the ma
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The right half will be a new bar magnet of 2cm with north pole on the right side and south pole on teh left.
6 0
3 years ago
The initial speed of a body is 7.1 m/s. What is its speed after 2.23 s if it accelerates uniformly at 2.64 m/s 2 ? Answer in uni
Nana76 [90]

13.0m/s

1.2m/s

Explanation:

Given parameters:

Initial speed of the body = 7.1m/s

time taken = 2.23s

Acceleration = 2.64m/s²

Unknown:

Final speed = ?

Solution:

Acceleration is the rate of change of velocity with time.

   a = \frac{V - U}{T}

a  = acceleration

V = final speed

U = initial speed

T = time taken

  Input the variables and solve for V;

 

   2.64 = \frac{V - 7.1}{2.23}  

  V - 7.1 = 5.9                              expression 1

  V = 5.9 + 7.1 = 13.0m/s

B

Using the same parameters, the speed after a uniform deceleration of -2.64m/s², the negative sign implies deceleration;

 from expression 1;

           V - 7.1  = -5.9

           V = -5.9 + 7.1 = 1.2m/s

learn more:

Acceleration brainly.com/question/3820012

#learnwithBrainly

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