Three particles enter a region of constant magnetic field into the page (b = 0.5 t)if the particles all move at the same speed v and have the same charge q, which particle has the largest mass? #1#2#3

Plss anybody know how to do this? ? i need the answers from a through d

What happens to the light rays when they hit the specimen?

Two loudspeakers, 5.5 m apart and facing each other, play identical sounds of the same frequency. you stand halfway between them, where there is a maximum of sound intensity. moving from this point toward one of the speakers, you encounter a minimum of sound intensity when you have moved 0.33 m . assume the speed of sound is 340 m/s.part a) what is the frequency of the sound? part b) if the frequency is then increased while you remain 0.21 m from the center, what is the first frequency for which that location will be a maximum of sound intensity? express your answer to two significant figures and include the appropriate units.