An electron moves through a uniform magnetic field given by = Bx+(3.86 Bx). At a particular instant, the electron has velocity = (1.40) m/s and the…

An electron moves through a uniform magnetic field given by = Bx+(3.86 Bx). At a particular instant, the electron has velocity = (1.11+4.40) m/s and the magnetic force acting on it is (7.79 × 10-19) N. Find Bx.