An electron has angular momentum that does not result from its orbital motion. What is the source of this momentum? A) electron spin
B) electric charge
C) magnetic force
D) mass defect

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)

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What is the relationship between the direction of motion of the balloon and the wind currents