An Electron and a Proton Are Both Initially Moving with the Same

question 32

Multiple Choice

An electron and a proton are both initially moving with the same speed and in the same direction at 90˚ to the same uniform magnetic field.They experience magnetic forces, which are initially:

• A)identical
• B)equal in magnitude but opposite in direction
• C)in the same direction and differing in magnitude by a factor of 1840
• D)in opposite directions and differing in magnitude by a factor of 1840
• E)equal in magnitude but perpendicular to each other

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