The Cub Scouts are having their annual Pinewood Derby Race. The unpowered soap box racers, like the one shown below, are lined up at the top of a hill and ready to begin
Sem
What gives the cars their potential energy?
OA
their wheels
OB. gravity
their speed

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)

What is the difference between electrically neutral objects and electrically charged objects

Name the non metal condut electricity