Official Answer
Answer
Saffisni birraa $k$ birraa dalgee tokkoof kiyuubii lakkoofsa dalgee $N$ wajjin walmadaala. Foormulaa $P/f = k = \frac{E b t^3 N^4 K}{D_m^3}$ irraa, lakkoofsa dalgee $N=3$ irraa gara $N=6$tti dachaa lama gochuun, jabina factor 16 ($2^4$) akka dabalu, paaraameetotni biroo hundi dhaabbataa ta’uu isaanii yoo fudhanne argina. Miiraan garmalee kun dizaayinaroonni fe'umsa baay'ee xiqqaadhaan akka sirreessan taasisa. Haa ta’u malee, $N$ dabaluudhaan osoo dalgee wal gidduu hin seenin dura garagalchuu $f$ guddaa ta’uu danda’u hir’isa, kunis madaallii dandeettii fe’umsaa fi istirookii gidduutti barbaachisa.
