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Delvig [45]
3 years ago
5

10 points please somebody help me

Physics
2 answers:
Dvinal [7]3 years ago
8 0
Hello again :)

The answer is A.  because the electrons are <em>always</em> located outside of the nucleus, and you can see that they are negatively charged.

Hope I helped :)
Anuta_ua [19.1K]3 years ago
7 0
It is the first one?
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11) The total conversion of 2.50 kilogram of the
Elanso [62]

1.41 × 10³⁰ MeV

As we know, E=mc², where E is energy, m is mass and c is the speed of light(i.e. 3×10⁸ m/s).

Given mass = 2.5 kgs

∴ E = (2.5)×(3×10⁸)² J = 22.5×10¹⁶ J

As our answer is in joules so we have to convert it into mega electron volt(MeV)

1 J = 6.242 × 10¹² MeV

⇒ 22.5×10¹⁶ J = 22.5×10¹⁶ × (6.242 × 10¹²) MeV

⇒1.41 × 10³⁰ MeV

If you want to learn more about mass-energy conversions then you can check out this link:

https://brainly.in/question/9760064

3 0
2 years ago
Read 2 more answers
The isotope of an atom containing 40 protons and 51 neutrons suddenly has 2 neutrons added to it. What isotope is created?
timama [110]
<span>The isotope of an atom containing 40 protons and 51 neutrons suddenly has 2 neutrons added to it
That is X-93 so it will be
</span><span>Zirconium-93 
</span>hope it helps
7 0
3 years ago
Plants take up carbon dioxide from the air and nutrients from the soil. This is an example of interactions between the
Aneli [31]
<span>The answer would be: b. biosphere, atmosphere, and geosphere

The biosphere is made by the ecological system so the plants should be biosphere. The carbon dioxide is taken by the plant from the air which was the atmosphere. The nutrient is taken by the plant from the soil which is the geosphere.</span>
3 0
4 years ago
What are the four main reasons as to why, despite having an abundance of minerals and natural resources, Pakistan has been unabl
Andre45 [30]

Answer:

GDP growth rate is low

Political instability

Lack of technical skills due to low literacy rate

Pressure from neighboring countries

Explanation:

Gross Domestic Product growth rate of Pakistan is much lower than many developed countries. The GDP growth rate for Pakistan is nearly 5% which is not even stable and it variate from plans. Due to which Pakistan is unable to use its available resources to the fullest. Also one of major issue is political instability in the country. After the loss of great leader Quaid e Azam Pakistan has not faced any loyal leader till date.

Noise pollution, health issues, lack of provision of basic necessities to many are few other factors which give rise to poor law and order situation in the country. Lack of availability of heavy machinery and poor infrastructure has contributed to the country decline. There is abundance of natural resources in the country but due to these issues the country is unable to deal with the challenges.

The pressures from neighboring countries have made the situation even worst. The heavy loan burden is restricting the country from development. The covenants imposed by the lenders have limited the country's ability to use its natural resources and become stable.

5 0
3 years ago
a car accelerates at a constant rate from 15 m/s to 25 m/s while it travels a distance of 125 m. How long does it take to achiev
atroni [7]
T=Vf-Vi/s
25m/s -15m/s/ 125m
10m/s /125m
=0.08s
I hope it’s correct !
6 0
3 years ago
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