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noname [10]
3 years ago
13

To get an electrical current you have to have a ___ ____.

Physics
2 answers:
Alexandra [31]3 years ago
7 0

Answer :

<em>cu</em><em>r</em><em>c</em><em>u</em><em>i</em><em>t</em><em> </em><em>a</em><em>n</em><em>d</em><em> </em><em>Source</em><em> </em><em>o</em><em>f</em><em> </em><em>c</em><em>u</em><em>r</em><em>r</em><em>e</em><em>n</em><em>t</em><em> </em><em>.</em>

stepan [7]3 years ago
5 0

Answer: you have to have a source of electricity because if not you are not gonna get a "eletrical" current

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How does the thickness of the lens affects its focal length plz ans this i will mark as brainliest
Oksanka [162]

Hello! :)

The focal length of the lens tells you how far away from the lens a focused image is created, if light rays approaching the lens are parallel. A lens with more “bending power” has a shorter focal length, because it alters the path of the light rays more effectively than a weaker lens. Most of the time, you can treat a lens as being thin and ignore any effects from the thickness, because the thickness of the lens is much less than the focal length. But for thicker lenses, how thick they are does make a difference, and in general, results in a shorter focal length.

Hope I helped and didn’t answer too late!

Good luck and stay COOL!

~ Destiny ^_^

5 0
3 years ago
An astronaut stands by the rim of a crater on the moon, where the acceleration of gravity is 1.62 m/. To determine the depth of
leva [86]

Answer;

=32.15 meters

Explanation;

Use the formula  

s= ut+ 0.5 a (t)^2 to find out 's'  

where s= distance traveled  

u=initial velocity which is zero in this case  

t= time taken to travel 's' distance  

a=acceleration (due to gravity on moon i.e 1.62 m/s^2 )  

Therefore;

S = 0.5 * 1.62 * 6.3 * 6.3

    = 32.1489 meters

Thus; the crater is 32.15 meters deep.

3 0
3 years ago
Be-36 what hull type is best for use on ponds, small lakes and calm rivers?
LenaWriter [7]
The hull type that is best for use on ponds, small lakes and calm rivers is Flat Bottom Hull. 
A flat bottomed boat is a boat with a flat bottomed, two-chined hull, which allows it to be used in shallow bodies of water, such as rivers, because it is less likely to ground. The flat hull also makes the boat more stable in calm water. 
8 0
3 years ago
Read 2 more answers
Diamonds are a very dense material. Predict what would happen to the light ray if you projected it from air through a diamond
Kipish [7]

Answer:

It [the diamond] would act like a prism, and make a rainbow, or, the light would break up and disappear

Explanation:

that's what I would think at least

4 0
2 years ago
Read 2 more answers
Why do you think the speed of sound is higher<br> in solids, than liquids and gases?
mr Goodwill [35]

Answer:

Explanation:

Particles of a solid are closely packed, and  when a solid is hit to produce a sound the kinetic energy present in the solid will cause the particles to vibrate vigorously in the intermolecular spaces in the solid, whereas the paticles of liquids and gases are rather further apart therefore having large intermolecular spaces between particles.

8 0
3 years ago
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