Three charges +2.5 μC, -4.8 μC and -6.3 μC are located at (-0.20 m, 0.15 m), (0.50 m, -0.35 m) and (-0.42 m, -0.32 m) respectively. What is the electric field at the origin? 14

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.