An electron follows a helical path in a uniform magnetic field given by B (20i 50j 30k)mT At time t 0, the electron 's velocity is given by v (20i 30j 50k) m s (a) What is the angle between v and B The electron 's velocity changes with time Do (b) Its speed and (c) The angle, f changes with time (d) What is the radius of the helical path

Question: An electron follows a helical path in a uniform magnetic field given by B = (20i 50j - 30k)mT. At time t = 0,

An electron follows a helical path in a uniform magnetic field given by B = (20i – 50j - 30k)mT. At time t = 0, the electron's velocity is given by v = (20i – 30j + 50k) m/s.

(a) What is the angle Φ between v and B? The electron's velocity changes with time. Do

(b) Its speed and

(d) What is the radius of the helical path?

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