Which one of the following is the weakest electrical conductor?
A. a sheet of aluminum foil
B. a cup of orange juice
C. a metal lunchbox
D. a rubber ball

While goofing off at the ice skating rink, a student takes off her shoes and places each of them on the ice. her friend, a hockey player, then shoots a hockey puck at each shoe. the first puck immediately comes to rest after it collides with the left shoe. the second puck rebounds after it collides with the right shoe. if each hockey puck has the same incoming speed, which shoe has greater speed after the collision? the right shoe. both shoes have the same speed. the left shoe.

Abar magnet cut in half will form a total ofpoles.a)fourb)eightc)two

The movement of electrons between atoms is called an