Mark and sofia walk together down a long, straight road. they walk without stopping for 4 miles. at this point sofia says their displacement during the trip must have been 4 miles; mark says their current position must be 4 miles. who, if either, is correct? a)markb)mark, only if their starting point is the origin of a coordinate systemc)sofia, only if their starting point is the origin of a coordinate systemd)sofia

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)

While listening to operatic solos, musicians process the lyrics and the tunes in separate brain areas. this most clearly illustrates the functioning of different

One form of energy can be another type of energy. a. created to form b. transformed into c. destroyed and then created to form