An airplane has a lift$-$drag relation of CD$=0\mathrm{.}015+0\mathrm{.}060$CL$2,$ weight is $20,000$ lb$.,$ wing area is $200$ square ft$.$ If this airplane is propeller$$driven$,$ what is the speed corresponding for best endurance at sea level?

Answer rating: 100% (QA)

Solution Calculating the speed corresp... View the full answer