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stealth61 [152]
2 years ago
14

The fundamental nuclear reaction occurring in the core of the Sun is ________. a. nuclear fission b. radioactive decay c. nuclea

r fusion of hydrogen into helium d. nuclear fusion of helium into carbon
Physics
1 answer:
dezoksy [38]2 years ago
7 0

Answer:

Option (C)

Explanation:

The nuclear fusion reaction is usually defined as the reaction when two nuclei of much smaller atoms are fused with each other in order to form a heavier nucleus. In this type of reaction, a large amount of energy is being released. This fundamental nuclear reaction process takes place extensively in the core of the sun where the hydrogen atoms are combined to form helium, thereby helps in the conversion of mass into the form of energy.

This process emits photons which are of higher energy, commonly known as the gamma rays. These gamma rays propagates through the radiative layer of the sun that surrounds its core.

Thus, the correct answer is option (C).

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A sample has a density of 30 g/ml. there is 60 ml of this substance.how much does it weigh?
aleksandrvk [35]
If each mL has 30 grams of the substance in it, then 60 mL have 1800 grams of mass in them. the weight of 1,800 grams of mass on Earth is (1.8 kg) x (9.8 m/s^2) = 17.6 newtons.
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Question: How is the energy in the food we eat an example of chemical potential energy?
Elanso [62]

Answer: D

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A toaster changes electrical energy to thermal energy. This is a/an
erastova [34]

A because the toaster converts electrical energy into heat energy and, after the bread has been heated for sufficient time, toasts pop out, ready to be buttered. And converting means transforming.

7 0
2 years ago
Please select the word from the list that best fits the definition
lina2011 [118]

Answer:

A subculture.

Explanation:

  • Aspects of a group that is based on the shared values and belief systems and the norms and behaviors aspects that are only a part of the subsection of society are called as subcultures. Like the goths, hippies, etc as its nor accepted by the entire population.
3 0
3 years ago
Read 2 more answers
A proton is released from rest at the origin in a uniform electric field that is directed in the positive xx direction with magn
elena-s [515]

Answer:

The change in potential energy is  \Delta  PE =  -  3.8*10^{-16} \ J

Explanation:

From the question we are told that

     The  magnitude of the uniform electric field  is  E =  950 \ N/C

      The  distance traveled by the electron is  x =  2.50 \ m

Generally the force on this electron is  mathematically represented as

     F =  qE

Where F is the force and  q is the charge on the electron which is  a constant value of  q =  1.60*10^{-19} \ C

    Thus  

      F  =  950  * 1.60 **10^{-19}

      F  = 1.52 *10^{-16} \ N

Generally the work energy theorem can be mathematically represented as

          W =  \Delta  KE

Where W is the workdone on the electron by the  Electric field and  \Delta  KE  is the change in kinetic energy

Also  workdone on the electron can also  be represented as

        W =  F* x  *cos(  \theta )

Where  \theta  =  0 ^o considering that the movement of the electron is along the x-axis  

        So

             \Delta  KE  =  F  * x  cos  (0)

substituting values

         \Delta  KE  =  1.52 *10^{-16}  * 2.50   cos  (0)

          \Delta  KE   =  3.8*10^{-16} J

Now From the law of energy conservation

       \Delta PE  =  -  \Delta  KE

Where \Delta  PE is the change  in  potential energy  

Thus  

        \Delta  PE =  -  3.8*10^{-16} \ J

               

7 0
3 years ago
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