A high-voltage power line carries a current of 140 at a location where the Earth's magnetic field has a magnitude of 0.59 G and points to the north, 69 below the horizontal.

Find the direction of the magnetic force exerted on a 300 length of wire if the current in the wire flows horizontally toward the east.

Find the magnitude of the magnetic force exerted on a 300 length of wire if the current in the wire flows horizontally toward the east.

Find the direction of the magnetic force exerted on a 300 length of wire if the current in the wire flows horizontally toward the south.

Find the magnitude of the magnetic force exerted on a 300 length of wire if the current in the wire flows horizontally toward the south.