Estimate the value of Cdo(drag coeff.) and e (airplane efficiency factor) for boeing 757-200,?

Question

also calculate stall speed, and briefly describe at wat height u will calculate it, show the procedure, 5 points for all answers, plz its urgent

Fuselage Length 46.97m (155ft 3in)

Overall Length 47.32m (155ft 3in)

Wheelbase 18.29m (60ft 0in)

Overall Height 13.56m (44ft 6in)

Fuselage Diameter 3.76m (12ft 4in)

Wing Chord at Root 8.20m (26ft 11in)

Wing Chord at Tip 1.73m (5ft 8in)

Wing Aspect Ratio 7.8

Wing Area 185.25m2

Typical Cruise Speed Mach 0.80

Maximum operating Mach Number (Mmo) Mach 0.86

Takeoff Speed (Vr) 111 to 164kt = 206-303km/hr

Typical Approach Speed (Vref + 5) 112 to 141kt

Range with Maximum Fuel 7,222km (3,900nm)

Range with Maximum Payload 7,060km (3,810nm)

Service Ceiling 12,800m (42,000ft)

Answer 1

Do you have change for a dollar.

Answer 2

How many aircraft engineers with advanced degrees in physics would it take to answer this question?  About 50.

Answer 3

Do it yourself

or

contact Boeing and pay someone for this sorry exercise.