Do you want me to translate it?
A). Archaea Hope it helps you
1) The object slows down due to kinetic friction.
2) The coefficient of kinetic friction is higher on a carpet than on the bare floor, therefore the object would slow down quicker on the carpet
F = ma
F = (1000 kg)•(5 m/s^2)
F = 5000 N
The force between two parallel wires carrying currents in the same direction is attractive. It is repulsive if the currents are in opposite directions.
