Who want to zoom? it can be anybody

After a big snowfall, you take your favorite rocket-powered sled out to a wide field. the field is 195 m across, and you know that your sled accelerates at a rate of 3.65 m/s2 when the rocket is on. how much time will it take the sled to cross the field starting from rest, assuming the rocket is on the whole time?

When the magnetic domains in a material can be aligned, but eventually drift out of alignment, the material is

Write down two additional questions about earth's magnetic field that will make your presentation more informative.