Start by substituting numbers that are easier to understand:
An electron travels 4m in 2 seconds. How fast is it going? The answer is 2m/s, because to calculate m/s you simply divide the meters by the seconds.
Now back to the original question. Just divide 4.27x10^-8 by 1.93. Answer 2.21x10^-8 m/s.
Very fast
No just kidding divide m/s to get velocity (speed)
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Verified answer
Start by substituting numbers that are easier to understand:
An electron travels 4m in 2 seconds. How fast is it going? The answer is 2m/s, because to calculate m/s you simply divide the meters by the seconds.
Now back to the original question. Just divide 4.27x10^-8 by 1.93. Answer 2.21x10^-8 m/s.
Very fast
No just kidding divide m/s to get velocity (speed)