What do magnetic field lines look like when two magnets repel? A. Most field lines connect a pole of one magnet to a pole of the other magnet

B. All field lines connect one pole of a magnet to the opposite pole of that same magnet

An object moves from position +34m to the position -15m in 15 seconds. what is the total displacement? what is the total velocity?

There are two-speed cameras, one in an are where the speed limit is 30 km/h and another where the speed limit is 50 km/h. in which will there be a smaller time interval between the photographs? explain your answer.

** urgent** the voltage across the primary winding is 350,000 v, and the voltage across the secondary winding is 17,500 v. if the secondary winding has 600 coils, how many coils are in the primary winding? a- 30 coilsb- 583 coilsc- 12,000 coilsd- 332,500 coils