Notice that an observer located at the local raisin sees raisins 1, 2 and 3 all move away from her during the animation. but what would an observer located at raisin 2 see? an observer located at raisin 2 would find that

What is the earliest point in the universe that we can observe? why can’t we see back further than this?

Select the word from the list that best fits the definition classification of most stars on the h-r diagram

Aplayground merry-go-round has a radius of 4.6 m and a moment of inertia of 200 kg-m2 and turns with negligible friction about a vertical axle through its center. a child applies a 26.0 n force tangentially to the edge of the merry-go-round for 15.0 seconds. if the merry-go-round is initially at rest, how much work did the child do on the merry-go-round?