There is no such rule given in the question. It must be a flawed then. Thank you very much the help, and again, apologies for the mistake in the opening post.
Thank you for the reply.
Apologies for the shoddy diagram, the ellipse is intended to be a circle. The question actually asks for a proof that angle WOX is twice as large as angle WTU, I confused the order in the opening post. Again, apologies for the stupid mistake.
Thus far, I can deduce...
@AlephZero
Thank you for responding, your post is very useful—I really appreciate the help.
Is it possible (without having to resort to FEA or something) to quantitatively describe the impact this difference would have on the damage sustained by the concrete target? After an internet...
The following excerpt is taken from a Swiss Federal Nuclear Safety Inspectorate (HSK) publication[1]:
“In the year 1988 a large scale crash test was performed at the US Sandia National Laboratory in which a Phantom military jet with a weight of 19 tons was impacted at a velocity of 774 km/h...