need answer asap with work

1. For a system of charges shown in figare fine a) electric held vector (magnitude and direction) at point @ (20pis) by potential difference between points (and a (bots. c) If a proton is placed at point blank Atb initial velocity positive xaxis it will move away from the system of charges to infinity proton s speed at infinity? (1 5pts! ( Note: the proton mass: my# ke: the proton charge marvavec