An electron and a proton are fixed at a separation distance of 855 nm. Find the magnitude E and the direction of the electric field at their midpoint.

are you like autistic or something?

xd

there is no correct list among the choices you've provided.

the list might look something like this:

-- baby human

-- piccolo

-- flute

-- soprano singer

-- trumpet

-- tenor singer

-- trombone

-- baritone singer

-- baritone horn

-- bass singer

-- tuba

since i had to make up the list myself, i made it easy on myself, and i didn't try to shuffle the string instruments and woodwinds into it too.

if they have a finite resultant