1) What type of fibres are orlon and terylene? Give two properties and uses of each. 2) Give two advantages and disadvantages of synthetic fibres.
3) Write three differences between thermoplastic and thermosetting polymers.
4) What is polythene? Give two characteristics of it.
5) What type of polymer is polystyrene? Give its two uses.
6) Give two applications each of teflon and bakelite,
7) What is araldite? Write its uses.

Which composition of water moves to begin a deepwater current?

Aspecified volume of space contains an electric field for which the magnitude is given by e=e0cos(ωt). suppose that e0 = 20 v/m and ω = 1.0 × 107 s−1. part a what is the maximum displacement current through a 0.80 m2 cross-sectional area of this volume? express your answer with the appropriate units. idisp,max i d i s p , m a x = nothing nothing request answer part b how would this area have to be oriented relative to the electric field to get this maximum displacement current?

The center of the milky way most likely contains a. empty space. b. a red giant star. c. a globular cluster. d. a supermassive black hole.