Free points. Again, go for it y'all

Glass has a hardness that is in the middle of the hardness scale. what is the hardness of glass?

Imagine that the rightward current flows in the rod for a short time. as a result, what will the net charge on the right and left ends of the rod become? left end negative and right end positive left end negative and right end negative left end negative and right end nearly neutral left end nearly neutral and right end positive both ends nearly neutral

Aipal measures a circuit at 1.2 a and 24 . using ohm’s law, what can he calculate for the circuit?