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physics Advanced Subsidiary (AS) Level Physics. Uncertainties
 
Uncertainties
 

Uncertainties problem 22

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  • A set of experimental measurements is described as precise and not accurate. State what is meant by:

    • precise


    • not accurate.


  • An object of mass travels with speed in a circle of radius . The force acting on the object is given by:




    The percentage uncertainties of three of the quantities are given in the table below.



    The value of is determined from , and .

    • Calculate the percentage uncertainty in .

    • The value of is . Calculate the absolute uncertainty in .


 

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