http://www.wolframalpha.com/input/?i=depth+of+challenger+dee...
http://www.wolframalpha.com/input/?i=time+for+light+to+trave...
40 µs, not ms.
(off topic.. can anyone get wolfram alpha to answer that in one query?)
http://www.wolframalpha.com/input/?i=time+for+light+to+trave...
40 µs, not ms.
(off topic.. can anyone get wolfram alpha to answer that in one query?)