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26 Nov 2019
Learning Goal: To apply Problem-SolvingStrategy20.1 Magnetic forces.
At a given instant, a particle with mass 5.00 x10-3kg andcharge 3.5x10-8 C has velocity ofmagnitude of2.0x105m/s in the +ydirection. It is moving ina uniform magnetic field ofmagnitude 0.8T directed 40 degreesclockwise from theâx direction. What are the magnitude anddirectionof the magnetic force on the particle? I found the angle between the velocity and magnitude ofthefield to be 50degrees, which is correct. I calculated it as F=qvBsinθ: 3.5x10-8*2.0x105m/s*0.8T*sin50=4.29x10-3 Now I need help with this part. I couldn'tfind any equationthat break B down into itscomponents. Part B To check your answer, you should calculate the magnitude oftheforce using the second formula: F=qvBperpendicular.Whatis the magnitude of Bperpendicular? IsBperp=Bx?
Learning Goal: To apply Problem-SolvingStrategy20.1 Magnetic forces.
At a given instant, a particle with mass 5.00 x10-3kg andcharge 3.5x10-8 C has velocity ofmagnitude of2.0x105m/s in the +ydirection. It is moving ina uniform magnetic field ofmagnitude 0.8T directed 40 degreesclockwise from theâx direction. What are the magnitude anddirectionof the magnetic force on the particle?
I found the angle between the velocity and magnitude ofthefield to be 50degrees, which is correct.
I calculated it as F=qvBsinθ:
3.5x10-8*2.0x105m/s*0.8T*sin50=4.29x10-3
Now I need help with this part. I couldn'tfind any equationthat break B down into itscomponents.
Part B
To check your answer, you should calculate the magnitude oftheforce using the second formula: F=qvBperpendicular.Whatis the magnitude of Bperpendicular?
IsBperp=Bx?
Reid WolffLv2
1 Mar 2019