: Determine if the system is a flat plate, cylinder, or sphere.
Looking at the can reveal systemic student errors. Here are the top three: : Determine if the system is a flat
Plugging in numbers requires careful order of operations, but for $Re \approx 5 \times 10^4$, the result is typically around: $$Nu_D \approx 135$$ : Determine if the system is a flat