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AlladinOne [14]
3 years ago
15

NEED HELP FAST ILL MARK BRAINLIEST AND RATE 5 STARS AND SAY THANK YOU

Physics
2 answers:
frutty [35]3 years ago
5 0
There are a huge, enormous, unimaginably gigantic number of them ! Indeed, there are 3 of them in every propane molecule.
sertanlavr [38]3 years ago
4 0
3 is the answer to your question 
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Describe the differences and similarities between an electromotor and a generator.
Effectus [21]

Differences:

An electrical motor converts electrical energy into mechanical energy,where as a generator converts mechanical energy into electrical energy.

The principle of a electric motor if there is a change of the magnetic field across a conductor  electrons are forced to move in a direction perpendicular to the direction of the magnetic field,where as in a generator if a charge is moving in a magnetic field, a force acts on the charge in a direction perpendicular to both the velocity of the charge and the magnetic field.

similarities:

Both electric motor and generator work on the magnetic effects of electric current.

Both have the armatures to rotate the loop.

7 0
3 years ago
One cubic meter (1.0 m3
hammer [34]
Because the masses that you give are for blocks that are 1 cubic meter in volume, they also serve as the densities for the two metals that you are comparing. 

<span>mass = density*volume </span>

<span>volume = (4/3)*pi*r^3 </span>

<span>volume of iron sphere = (4/3)*3.14*0.0201^3 = 3.40*10^-5 m^3 </span>

<span>mass of iron sphere = 7860* 3.40*10^-5 m^3 = 0.27 kg = mass of Aluminum Sphere </span>

<span>Volume of Al Sphere = 0.27/2700 = 9.90*10^-5 m^3 </span>

<span>Radius = cube root (volume / (4/3) / pi) = 2.87 cm. </span>

<span>I did this using the MS calculator, and I'm not 100% sure on the numerical answer, but the process is what you need to do to solve the problem. You should double check my answer.

hope this helped :)


</span>
8 0
3 years ago
Which objects in space formed from the huge disk cisce and debris beyond the outer planets? Select two option
Dennis_Churaev [7]

Answer:

Comets

Explanation:

The Kuiper Belt is a collection of trans-Neptunian objects that consist of comets and other dwarf planets, including Pluto.

4 0
3 years ago
What is an instrument commonly used to measure wind speed?
xeze [42]
The correct answer is letter D. Anemometer. It is a device that is used to measure wind speed. It is a very common weather station instrument and is available to use and to make. Anemos, from the greek word that means wind.
5 0
3 years ago
Read 2 more answers
What is the main function of a telescope?
Korvikt [17]
It magnifies light received from distant objects.
4 0
3 years ago
Read 2 more answers
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