To each problem you should show the complete solution, and complete diagram. For #3 you should apply a cross-product formula to solve the first part.

The sun generates both mechanical and electromagnetic waves. which statement about those wave is true?

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?

According to newton’s first law of motion, which force is expected to cause a body to accelerate?