PLEASE HELP WILL GOVE BRAINLIST

This is phisics please help ASAP

Any color picture tube and electric field exerts a net force of magnitude 1.68x 10^-13 n on an electron the rest mass of an electron is 9.11 x 10^-13 what is the electron acceleration?

According to newtons universal law of gravitation, which would change the parh of the ball so it traces out widest curved path possible?

The difference between a red shift and a blue shift has to do with wavelength frequency. t or f