Q 3 A uniform magnetic field B Bk exists only on the upper

Last updated: 6/8/2023

Q 3 A uniform magnetic field B Bk exists only on the upper half of the x y plane i e for x 0 Particle A of charge Q 0 and mass M enters the field at the origin moving along the positive direction of the y axis It exits from the region that contains the magnetic field in time TA Particle B of the same charge Q and mass 2M enters the field at the origin again moving along the positive direction of the y axis B exits from the region that contains the magnetic field in time TB What is the magnitude of TB TA Max score 1 Neg score 0 TM QB TM 2QB 2TM QB 2T M