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Introductory Physics Homework Help
Acceleration of an electron in both a magnetic and an electric field
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[QUOTE="lynkyra, post: 4510167, member: 486548"] [h2]Homework Statement [/h2] Let E = 4 N/C in the x direction and B = 4 T in the -z direction. Let an electron move in the y-direction with speed 1m/s. What is the magnitude of the acceleration of the electron in m/s2? [h2]Homework Equations[/h2] F[SUB]m[/SUB]=qv X B F[SUB]electric field[/SUB]=qE F=ma [h2]The Attempt at a Solution[/h2] I plugged in values and found F[SUB]m[/SUB] to equal -6.408X10[SUP]-19[/SUP]N and found F[SUB]electric field[/SUB] to also equal -6.408X10[SUP]-19[/SUP]N. I'm not sure my sign is right on the first one because I was confused about the flow of the electron versus the flow of the current... F=ma, and since I know the mass of an electron and I'm trying to find the acceleration, I think that I should add my two forces to get a total force, which equals ma. I did this and got a=4.508X10[SUP]-7[/SUP]. I think this is wrong, though, because I think an acceleration would be larger than that. [/QUOTE]
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Introductory Physics Homework Help
Acceleration of an electron in both a magnetic and an electric field
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