Sodium ions (Na_) move at 0.851 m/s through a bloodstream
Chapter 19, Problem 19.43(choose chapter or problem)
Sodium ions (Na_) move at 0.851 m/s through a bloodstream in the arm of a person standing near a large magnet. The magnetic fi eld has a strength of 0.254 T and makes an angle of 51.0 with the motion of the sodium ions. The arm contains 100 cm3 of blood with a concentration of 3.00 _ 1020 Na_ ions per cubic centimeter. If no other ions were present in the arm, what would be the magnetic force on the arm?
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