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MA_775_DIABLO [31]
3 years ago
14

All of following are types of kinetic energy EXCEPT for: *

Physics
1 answer:
Valentin [98]3 years ago
7 0
Light energy is not kinetic energy
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Answer:

83816746.4254 m/s

Explanation:

m = Mass of electron = 9.11\times 10^{-31}\ kg

q = Charge of electron = 1.6\times 10^{-19}\ C

V = Voltage = 2\times 10^4\ V

The kinetic energy of the electron is

K=\dfrac{1}{2}mv^2

Energy is given by

E=qV

Balancing the energy

qV=\dfrac{1}{2}mv^2\\\Rightarrow v=\sqrt{\dfrac{2qV}{m}}\\\Rightarrow v=\sqrt{\dfrac{2\times 1.6\times 10^{-19}\times 2\times 10^4}{9.11\times 10^{-31}}}\\\Rightarrow v=83816746.4254\ m/s

The velocity of the electrons is 83816746.4254 m/s

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Selection D makes most sense
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This is the definition of slope.

Step-by-step explanation:

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This shows the difference in y, which is rise, divided by the different in x, or run.

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Scientists believe it is the best explanation because it is built on data and observations. The majority of the scientific community voted on this theory over other possible explanations. It is the best explanation because it supports the beliefs and opinions of most scientists.

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