Why is alternating current more effective at long–distance travel than direct current?

forget the person who answered first lol.

For PLATO users: The actual Transformers increase and decrease voltage as needed.

YOURE WELCOME!

the chart show the masses and velocities of two colliding objects that stick together after a collision.

according to the law of conservation of momentum, the momentum of the object after the collision is  

answer

1,500

kg • m/s.

answercollision;