When to double the parameter to get delta v
Moderators: Chem_Mod, Chem_Admin
-
- Posts: 69
- Joined: Fri Sep 28, 2018 12:17 am
When to double the parameter to get delta v
In the homework, there are questions that asked for the minimum uncertainty of the object's position, and when it said minimum, the solution's manual did not double the parameter of the velocity. Although, when it does not say minimum, they double the parameter? Does the word "minimum" play a role in whether we double the parameter or not?
-
- Posts: 23858
- Joined: Thu Aug 04, 2011 1:53 pm
- Has upvoted: 1253 times
Re: When to double the parameter to get delta v
Uncertainty in velocity is the difference between the highest and lowest possible values for the velocity. In some cases, velocity is given as a value some error. In this case, you would have to double that error to find the total uncertainty in velocity.
-
- Posts: 80
- Joined: Fri Sep 28, 2018 12:18 am
Re: When to double the parameter to get delta v
if a question says the speed is 3.24 +/- 0.06 m/s, would delta V be 0.12 m/s?
-
- Posts: 82
- Joined: Fri Sep 28, 2018 12:29 am
Re: When to double the parameter to get delta v
Yeah, as Chem Mod said above, "uncertainty in velocity is the difference between the highest and lowest possible values for the velocity".
So given 3.24 +/- 0.06 m/s, our highest possible value is 3.30 and our lowest is 3.18.
The difference of the above values is 0.12 m/s which is what delta v/uncertainty in velocity would be, so yes, it would be 0.12 m/s.
So given 3.24 +/- 0.06 m/s, our highest possible value is 3.30 and our lowest is 3.18.
The difference of the above values is 0.12 m/s which is what delta v/uncertainty in velocity would be, so yes, it would be 0.12 m/s.
Return to “Heisenberg Indeterminacy (Uncertainty) Equation”
Who is online
Users browsing this forum: No registered users and 6 guests