Question

A proton experiences a force of 4 Newton when it enters perpendicular to the direction of the magnetic field with a speed 100 m/s. What is the force experienced by the proton if it enters parallel to the direction of the magnetic field with a speed of 200 m/s?


8 N

4 N

2 N

0 N


My answer would have to be... 8N?
F=qvBsinα
If sinα=0 F=0
0N man!

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