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If the strength of the magnetic field at A is 48 units and the strength of the magnetic field at B is 3 units, what is the distance to B? (Drawing is not to scale!)

file:///C:/AOP/SH2016Curric/AOP.COM.Science.09IPC.2015/IntegratedPhysicsandChemistry2015/9/magnetic_field_ex2.gif

User Siz S
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it is 20 units using the formula to calculate [DISTANCE] 
User Kishore Jethava
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