10.12 Seawater plays a vital role in the study of submarine communications. Assuming that for seawater, s 5 4 S/m, er 5 80, mr 5 1, and f 5 100 kHz, calculate (a) the phase velocity, (b) the wavelength, (c) the skin depth, (d) the intrinsic impedance.

answer:

I dont think you should be doing this lol, this isn´t the right spot for this

Explanation:

                  b

Explanation:

key points:

• The Dubai Mall is the largest mall in the world.

• Area : the same as 50 football pitches and more than 1200 shops.

• ground floor have an aquarium, named Dubai Aquarium, the world's largest indoor aquarium.

• aquarium with 33 000 aquatic animals including sharks.

• outside the Mall, have fountains, named Dubai Fountains with water jets of approximately 200 metres long.

• can visit Olympic sized ice-skating rink.