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Powdered carbon mese ( od
Y
Ammonium chloride paste
(a) Nane X and Y​

i need the answer to this too but idk it ; -;

here we know that ball will drop down by total distance 3.2 m

so here we know that

now using kinematics

now in the same time it will cover horizontal distance of 0.75 m

so speed of the ball will be

they should be similar or the same

the answer is neither ball has a charge.

because if they were both positively charged, they will repel each other.

if they were positively and negatively charged, they will seek.