Final speed of an accelerated electron

In summary, the final speed of an accelerated electron is dependent on the initial speed, the strength of the accelerating force, and the distance over which the acceleration occurs. It can be calculated using the equation v = v<sub>0</sub> + at, and its unit of measurement is meters per second (m/s). It cannot exceed the speed of light according to Einstein's theory of relativity, and it directly affects the electron's kinetic energy, increasing as the final speed increases.
  • #1
gidra
4
0
Whit is the final speed of an electron accelerated through a potential difference of 200 V if has an initial speed of 2.0 x 10^6 m/s. (Charge of electron = 1.6 x 10^-19 C and mas of electron = 9.11 x 10^-31 kg)
 
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  • #2
I don't know. What's the definition of 'potential difference', i.e. V. How much energy does it gain? How much energy did it start out with? Can you convert that back into speed?
 

1. What is the final speed of an accelerated electron?

The final speed of an accelerated electron depends on several factors, including the initial speed, the strength of the accelerating force, and the distance over which the acceleration occurs.

2. How is the final speed of an accelerated electron calculated?

The final speed of an accelerated electron can be calculated using the equation v = v0 + at, where v is the final speed, v0 is the initial speed, a is the acceleration, and t is the time over which the acceleration occurs.

3. What is the unit of measurement for the final speed of an accelerated electron?

The unit of measurement for the final speed of an accelerated electron is meters per second (m/s).

4. Can the final speed of an accelerated electron exceed the speed of light?

No, according to Einstein's theory of relativity, nothing can travel faster than the speed of light. Therefore, the final speed of an accelerated electron cannot exceed the speed of light.

5. How does the final speed of an accelerated electron affect its energy?

The final speed of an accelerated electron is directly proportional to its kinetic energy. This means that as the final speed increases, so does the energy of the electron.

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