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Integrated ConceptsFusion probability is greatly enhanced when appropriate nuclei are brought close together, but mutual Coulomb repulsion must be overcome. This can be done using the kinetic energy of high-temperature gas ions or by accelerating the nuclei toward one another. (a) Calculate the potential energy of two singly charged nuclei separated by $1.00 \times 10^{-12} \mathrm{m}$ by finding the voltage of one at thatdistance and multiplying by the charge of the other. (b) At what temperature will atoms of a gas have an average kinetic energy equal to this needed electrical potential energy?

(a) $U=2.30 \times 10^{-16} \mathrm{J}$(b) $T=1.11 \times 10^{7} \mathrm{K}$

Physics 102 Electricity and Magnetism

Chapter 19

Electric Potential and Electric Field

Electric Charge and Electric Field

Gauss's Law

Electric Potential

Rutgers, The State University of New Jersey

Simon Fraser University

University of Winnipeg

Lectures

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So we are given there that there are two charges with one Elektronik charge both positive, and the distances won't become the powers of 10. This is 23 minus 16. When between power seven. Kelvin. So we need such a high temperature to overcome the Coolum Barria. This is a very high temperature. This is 11 million Kelvin. Thank you for listening. You don't see every meter between them, and we're supposed to find electric potential energy off. One charge with respect to another left of potential energy is K Q one Q two Childs multiplied, divided by distance. We know that both have the same charge off one electrons and let's substitute the values nine times. 10 power nine times 1.6 times to empower. Negative 19 squared, divided by the distance, which is 10 power negative. 12. So if you calculate this what happened? What the fuck? It didn't record So good guy. So? So we are given there that there are two charges with one Elektronik charge both positive and the distances one pecan will get 2.304 times 10 power negative. 16 June's. You might think this is small energy, but this is very high in their human on. He will realize that in second part when we find the temperature for that so many the kinetic energy such that it can overcome. The column. Beria barrier off this electric potential energy, so that means we should equate it to electric potential energy on. We are seated between them, and we're supposed to find electric potential energy off. One charge with respect to another electric potential energy is K Q one Q. Two times multiplied and divided by distance. We know that both have the same charge off one electrons and let's substitute the values nine times. 10 power nine times 1.6 times to empower Negative 19 squared, divided by the distance, which is to empower negative 12. So if you calculate this, you're opposed to find the temperature so temperature here will be electric potential. Energy times two divided by three k b. So bye, Liv. It's 2.304 which is really off Electric potential Energy times two divided by three times 1.38 times 10 Power latitude 23 Which is value of bolts, man constant. Sophie performed this calculation. You will get 1.11 times 10 Power seven will get 2.304 times 10 power negative. 16 Jews. You might think this is small energy, but this is with very high in a human on. He will realize that in second part when we find the temperature for that so many the kinetic energy such that it can overcome the column Beria barrier off this electric potential energy. So that means we should equate it to electric potential energy on we have Kelvin. Now you can realize that it's a very high temperature. This is 11 million or mega Kelvin, this is very high temperature. You know that surface off a son has a temperature of 5000 degree Celsius. So compared to that, this is very high temperature. Thank you for this.

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