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wlad13 [49]
3 years ago
9

20. Which scientist's Gold Foil Experiment led him to discover the nucleus of an atom?

Physics
2 answers:
julsineya [31]3 years ago
7 0
Hello,

Here is your answer:

The proper answer to your question is option A "Rutherford". Rutherford discovered the nucleus of a atom!

Your answer is A.

If you need anymore help feel free to ask me!

Hope this helps!


Tanya [424]3 years ago
6 0
I think the answer would be A
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When you are driving on a rural road, if your right wheels run off the pavement, you should hold the steering wheel firmly and
julia-pushkina [17]

Answer:

C). Take your foot off the gas pedal. Then brake lightly until you are moving at low speed.                    

Explanation:

While driving on roads of rural areas, if our right wheel moves off the pavement, we should always hold the steering wheel firmly and then take our foot off the gas pedal, then apply brake lightly until we are moving at a low speed.

      When our wheels drift off the pavement area, we should not panic and yank. And instead of turning the wheel back in the left direction towards the road, it is always safer to take off our foot from the gas pedal and then apply brakes slowly. When our vehicle slows down check the incoming traffic behind us and then we should slowly move back on to the pavement.

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3 years ago
Find expressions for the force needed to bring an object of mass m from rest to speed v in time t. express your answer in terms
VARVARA [1.3K]
Good morning.

We have that:

\mathsf{V = a\cdot t} , since we have rest in the inicial time.

The acceleration can be found with Newton's Law:

\mathsf{F = m\cdot a\iff a = \dfrac{F}{m}}

Now we put the acceleratin in the velocity equation:

\mathsf{V = \dfrac{F}{m} \cdot t}

We want the force, so, let's isolate F:

\mathsf{V\cdot m = F\cdot t}\\ \\ \\ \boxed{\mathsf{F = \dfrac{V\cdot m}{t}}}

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3 years ago
Help me with this please
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Answer:

i dont understand, can you put it in word form please.

Explanation:

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Some compounds, like carbon dioxide, are gaseous at room temperature, while others are solid at room temperature. Why is this?
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The answer of a & b are force of cohesion and force of adhesion
Of rest two answers I don't know 
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