Uncertainty in Speed


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Aiden Metzner 2C
Posts: 104
Joined: Wed Sep 18, 2019 12:21 am

Uncertainty in Speed

Postby Aiden Metzner 2C » Sun Oct 20, 2019 4:36 pm

How do we calculate the uncertainty in speed if the speed is 5+- 5 m/s? Is the uncertainty 5m/s or 10?

Goyama_2A
Posts: 107
Joined: Sat Aug 24, 2019 12:17 am

Re: Uncertainty in Speed

Postby Goyama_2A » Sun Oct 20, 2019 4:38 pm

The uncertainty in velocity would be 10 m/s. The uncertainty is given by the total range of what it could be. So, in this case, since the velocity could be anywhere ranging from 0 m/s to 10 m/s, your uncertainty in velocity would be 10 m/s.

JinwooLee_1F
Posts: 47
Joined: Sat Aug 17, 2019 12:15 am

Re: Uncertainty in Speed

Postby JinwooLee_1F » Sun Oct 20, 2019 4:39 pm

When it is +-n, the uncertainty is 2n. Even for 5 +-2, the uncertainty would be 4.


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