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den301095 [7]
3 years ago
13

Help! Will Mark Brainliest!

Physics
1 answer:
boyakko [2]3 years ago
6 0

Answer:

D 5m/s

Explanation:

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Both Newton's Law of Universal Gravitation and Coulomb's Law follow the ...
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inverse square relationship

Explanation:

Both the Newton's law of universal gravitation and coulomb's law have their force inversely proportion to the square of the distance between the bodies.

8 0
2 years ago
What is the ratio of thicknesses of crown glass and water that would contain the same number of wavelengths of light?
Serhud [2]

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the thickness of the glass divided by thickness of water is going to be 1.333 divided by 1.52, which is 0.877. So, the height of this glass, in order to have the same number of wavelengths as in water, the height of the glass will be 0.877 times the height of the water, and so it will be smaller.

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Because so little can be found of the first rocks to form on
fgiga [73]

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7 0
3 years ago
An elastic conducting material is stretched into a circular loop of 9.65 cm radius. It is placed with its plane perpendicular to
Nadya [2.5K]

Answer:

The induced emf in the coil is 0.522 volts.                        

Explanation:

Given that,

Radius of the circular loop, r = 9.65 cm

It is placed with its plane perpendicular to a uniform 1.14 T magnetic field.

The radius of the loop starts to shrink at an instantaneous rate of 75.6 cm/s , \dfrac{dr}{dt}=-0.756\ m/s

Due to the shrinking of radius of the loop, an emf induced in it. It is given by :

\epsilon=\dfrac{-d\phi}{dt}\\\\\epsilon=\dfrac{-d(BA)}{dt}\\\\\epsilon=B\dfrac{-d(\pi r^2)}{dt}\\\\\epsilon=2\pi rB\dfrac{dr}{dt}\\\\\epsilon=2\pi \times 9.65\times 10^{-2}\times 1.14\times 0.756\\\\\epsilon=0.522\ V

So, the induced emf in the coil is 0.522 volts.                                

8 0
3 years ago
Brainliest!! Please help with number 4 and please give me the equation too!! Brainliest!!!
Thepotemich [5.8K]

Answer:

Oooo someone is writing a answer. (Also im new to this so Idk what to really do.)

Explanation:

8 0
3 years ago
Read 2 more answers
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