Answer:
B on Edge 2020
She can change the arrows so they show current traveling in opposite directions on the sides of the loop.
Explanation:
Just took the test haha
A) 0
because all of the forces cancel out, so it is not moving with balanced forces.
B-things that can attract iron.
The momentum of ball is given by:
Since both have the same momentum, we have:
Number 3If you notice any mistake in my english, please let me know, because i am not native.