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Gennadij [26K]
3 years ago
15

Q. What is weak nuclear force?​

Physics
2 answers:
Galina-37 [17]3 years ago
6 0

<h3><u>\huge\frak\red{❥︎AnSwEr}</u></h3>

<u>Weak interaction, also called weak force or weak nuclear force, a fundamental force of nature that underlies some forms of radioactivity, governs the decay of unstable subatomic particles such as mesons, and initiates the nuclear fusion reaction that fuels the Sun.</u>

-Dominant- [34]3 years ago
3 0

Hope it helps yah (. ❛ ᴗ ❛.)

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Conservation of momentum commands the total momentum after the astronaut is threw must be zero too. This means that Superman's backward momentum afterward throwing the asteroid is equivalent to the asteroid forwards momentum, in size. 

Momentum is mass times velocity. We know the mass of the asteroid is 1000M and its velocity is 850 m/s, so its momentum is 
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4 years ago
A positively charged insulating rod is brought close to an object that is suspended by a string. If the object is repelled away
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A)   Positively charged two insulating rod are brought closed to an object  they repel each other. It means the Object is positively charged. Because similar charge repel each other.

   The correct answer is Option A.

B) we know force between to charges is calculated using Formula

         F = \dfrac{kQ_1Q_2}{r^2}.......(1)

   form the given condition in the question

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          F' = \dfrac{k\dfrac{Q_1}{4}\dfrac{Q_2}{4}}{(\dfrac{r^2}{4})}

          F' = \dfrac{4}{16}\dfrac{kQ_1Q_2}{r^2}

from equation (1)

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hence, the correct answer is Option C.

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