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A torsion balance has a sensitivity requirement (SR) of 6.0 mg. What is the MWQ of this balance if the maximum error permitted in using it is 4.2%? [round answer to a whole number]

Respuesta :

Answer:

MWQ is 143 mg

Step-by-step explanation:

given data

sensitivity requirement (SR) =  6.0 mg

maximum error = 4.2%

to find out

MWQ

solution

we know here MWQ formula that is

MWQ = [tex]\frac{sensitivity requirement}{error}[/tex]     ................1

so here error is 4.2 % = 0.042

put here all these value in equation 1 we get

MWQ = [tex]\frac{sensitivity requirement}{error}[/tex]

MWQ = [tex]\frac{6}{0.042}[/tex]

MWQ = 142.857 mg

so MWQ is 143 mg

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