2) throws a Doritos taco downward from the top of a 100m high building and it hits the ground 5 seconds later,
A) What was the taco's initial Velocity?
8) What was the taco's velocity when it hit the ground?
C) What was its velocity half way to the ground?
D) How long did it take to reach half way to the ground?
E) What would be the answer to questions A, B, C and D if U throws it
Upward with the same initial speed?

when insulating materials rub against each other, they may become electrically charged . electrons , which are negatively charged, may be 'rubbed off' one material and on to the other. the material that gains electrons becomes negatively charged. the material that loses electrons is left with a positive charge.

unlike poles attract

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.