Identify which stage marks the birth of a star

Ann walks 80 meters on a straight line 33 ∘ north of east starting at point 1. draw ann's path. represent ann's walk with a vector of length 80 meters. draw the vector starting at point 1. the length given in the display is in meters.

Which type of wave can travel without a medium

The long handle on a rake is a(n) a. lever b. screw c. wedge d. inclined plane