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what magnetic field would be needed to bend it into a circular path with a radius of 0.17 m?
n alpha particle is essentially a helium-4 nucleus, and as such has a charge of +2e and a mass of 6.6 x 10-27 kg. If one is traveling with a velocity of 1.75 x 106 m/s, what magnetic field would be needed to bend it into a circular path with a radius of 0.17 m?
0.212 T
0.180 T
0.177 T
0.151 T
1 Answer
- Randy PLv 74 years ago
The magnetic force is qvB and this provides the centripetal force mv^2/r
Set them equal, plug in the values of q, v, m and r, and solve for B.
