Nathan walks to the store. He walks 850 meters north then relazies he walked to far he turns around and walks 500 meters south. the entire walk takes him 20 seconds, what was his velocity in meters per second?

Alow cost, low earth orbit (leo) satellite is to be fabricated at a university, for subsequent launch by rocket. what are the constraints and objectives for selection of a material suitable for the satellite bus (i.e. the structure)? explain each in brief. (15 marks) b)suggest sources of data which could support the selection of materials for applications in space. (5 marks) c) set weights for the objectives listed in (2a) using the digital logic method. (5 marks)

Which statement correctly describes the relationship between frequency and wavelength?

The slope of a velocity time graph over any interval of time gives the during that interval