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exitwound
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Homework Statement
A charge of -310e is uniformly distributed along a circular arc of radius 4.15 cm, which subtends an angle of 43°. What is the linear charge density along the arc in C/m?
Homework Equations
Density = Charge/length
The Attempt at a Solution
Charge = -310(1.6E-19) = -4.96E-17 C
Length = ??
This is because I don't know what "subtends an angle of 43" means. Does it mean the circular arc is 43/360 degrees of a circle?