2 years ago

Atoms with atomic number ____ or less will not undergo fission.

Physics

1 answer:

BlackZzzverrR [31]2 years ago

7 0

26

I hope its helped you a lot good luck

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Answer:

5. Quadruple

Explanation:

The electrostatic force between two charged particles is given by:

$F=k\frac{q_1 q_2}{r^2}$

where

k is the Coulomb's constant

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r is the separation between the charges

If the distance between the charges is reduced to half,

$r' = \frac{r}{2}$

So the new force will be

$F'=k\frac{q_1 q_2}{(r/2)^2}=4(k\frac{q_1 q_2}{r^2})=4F$

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tatuchka [14]

Answer:

7.04 m

Explanation:

t = Time taken

u = Initial velocity

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a = Acceleration due to gravity Earth= 9.81 m/s²

Accelration going up is considered as negetive

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$v^2-u^2=2as\\\Rightarrow -u^2=2as-v^2\\\Rightarrow -u^2=2\times -9.81\times 1.2-0^2\\\Rightarrow u=\sqrt{2\times 9.81\times 1.2}\\\Rightarrow u=4.85\ m/s$

Assuming that the ball is thrown with the same velocity on the Moon, displacement of the ball is

$v^2-u^2=2as\\\Rightarrow s=\frac{v^2-u^2}{2a}\\\Rightarrow s=\frac{0^2-4.85^2}{2\times -1.67}\\\Rightarrow s=7.04\ m$

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D. Your mass and the mass of the planet

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