Question

An electron moves in a circular path with a radius of 0.20 m at a constant speed of 1.5 X 105 m/s. What is the period of its motion?

Answer 1

V = 2 π R / T speed V where T is period

T = 2 π R / V = 2 π * .2 m / 1.5E5 m/s = 8.38E-6 sec

Period = 8.36 * 10-6 sec