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An ion in a mass spectrometer follows a semicircular path of radius 14.8. What is the distance it travels?
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An ion in a mass spectrometer follows a semicircular path of radius 14.8. What is the distance it travels?

User Thomie
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Is there a time frame in which it travels?

User Nikitz
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The circumference of a circle is (2π · the circle's radius).

The length of a semi-circle is (1π · the circle's radius) =

(π · 14.8) = 46.5 (rounded)

(The unit is the same as whatever the unit of the 14.8 is.)

User Netrolite
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