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Edexcel PHYSICS Doubts

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Saladin:
You are talking abt mj 2009 3b rite?

Ok,

The mean:


Now find the maximum difference:



So, the maximum uncertainty is

Ascer Zayan:

--- Quote from: The Mysterious Dude on May 10, 2010, 06:38:35 pm ---You are talking abt mj 2009 3b rite?

Ok,

The mean:


Now find the maximum difference:



So, the maximum uncertainty is

--- End quote ---
Wat About part C in this exam i dont understand at allllllllllllll

T.Q:

--- Quote from: Ascer Zayan on May 10, 2010, 07:23:07 pm ---Wat About part C in this exam i dont understand at allllllllllllll

--- End quote ---

Value is in GPa, G means 10^9, so yes
10^(10) can mean anything from 5.0 x 10^9 to 4.9 x10^(10)so my answer is within range

Ascer Zayan:

--- Quote from: T.Q on May 10, 2010, 08:16:08 pm ---Value is in GPa, G means 10^9, so yes
10^(10) can mean anything from 5.0 x 10^9 to 4.9 x10^(10)so my answer is within range

--- End quote ---
Welll Do u Understand?
10^(10) can mean anything from 5.0 x 10^9 to 4.9 x10^(10

Saladin:

--- Quote from: break freak on May 11, 2010, 10:21:28 am ---the precision is the least value that can be measured. Example: for these values 12.0,12.5,13.0 the precision is 0.5
but in our case 14.2 14.7 15.1 the precision is 0.1 8)

--- End quote ---

I am not too sure about that. The limits of accuracy for this is said in the mark-scheme to be 0.5

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