Homework Help: Physics

Posted by Physics Failure on Monday, October 22, 2012 at 8:40pm.

A proton and an electron enter perpendicular to the direction of the magnetic field. The speed of the proton is twice the speed of the electron. What is the ratio of the force experienced by the proton to the electron?

1:2

1:3

2:1

3:1

I would think A, but I want to make sure...

Physics - Elena, Tuesday, October 23, 2012 at 10:11am
F=qvBsinα
sinα=1 => F=qvB
F(p)=e2vB
F(e) =evB
F(p)/F(e) =2

...2:1

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