1 February, 12:01
The mass of an electron is 9.11 * 10-31 kg. What is the uncertainty in the position of an electron moving at 2.00 * 106 m/s with an uncertainty of Δv = 0.01 * 106 m/s?
1 February, 14:01
Given The mass of an electron is 9.11 * 10-31 kg
position of an electron moving at 2.00 * 106 m/s with an uncertainty of Δv = 0.01 * 106 m/s
Therefore, in our case we know the value for Δv but want to calculate Δx. Let's change the equation to an equality
Δx = h/Δp
Since we know momentum p = mv then
Δx = 6.626 * 10^-34 / m * Δv
Δx = 6.626 * 10^-34 / 9.109 * 10-31 * 1.00 * 10^4
Δx = 7.274 * 10^-8 m
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» The mass of an electron is 9.11 * 10-31 kg. What is the uncertainty in the position of an electron moving at 2.00 * 106 m/s with an uncertainty of Δv = 0.01 * 106 m/s?