TEST PLEASE HELP ASAP 1. If a 130 N moves up a hill 165 meters, how much work is done to the car?
2. A 65 N jogger runs up a hill in 6.3 seconds, with a vertical height of 30 m. What is the jogger’s work output?
3. If a 63 N basketball falls from a height of 11 meters what is the work done when the ball is at 2 meters?

I'm thinking it's 2 you are asked to explain the earth's magnetic field. which is the best reply? 1. the earth's magnetic south is similar to the north pole of a magnet. 2. the earth's core has a strong magnetic charge similar to the south pole of a magnet. 3. the earth's geomagnetic south is similar to the south pole of a magnet. 4. the earth's magnetic charge is not centered at either pole; it varies based on location.