Air flows over a plane wall at Mach 3.5, the pressure in the flow being 100 kPa. The wall turns through an angle leading to the generation of an oblique shock wave whose strength is such that the pressure downstream of the corner is 548 kPa. Find the turning angle of the corner.

The best answer is (a) which is universal law is in effect at all times. it is constantly at play in everything we do and governs our lives. it is also important to note that universal law applies to not only everything on earth, but everything in the universe as well, which is another reason why it is in effect at all times.