a rectangle track is 8m long and 6m broad . a child starts walking from one corner and reaches diagonally opposite end find the 1) distance and 2)magnitude of displacement​

What determines the amount of inertia an object has

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.

Sort the images based on whether there's a force of attraction or repulsion between the magnets shown. attraction repulsion