4) A certain curve is banked at an angle of 37º and has a radius of 35 m. A car with a mass 120 is traveling at a speed of 12 m/s when it enters the curve.
Does the car make it around the curve without slipping?

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.