To read and understand electrical blueprints, you need to know a. the fundamentals of electrical engineering. b. how buildings are constructed. c. how to sketch a plan view. d. the meaning of electric symbols.

An owl dives toward the ground with a constant velocity of 4.40 m/s at 53.0° below the horizontal. the sun is directly overhead and casts a shadow of the owl directly below it. what is the speed (in m/s) of its shadow on level ground?