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1. Physics problem involing a lotus car need help

Homework Statement When the a lotus is driven at average speed of 20 m/s the drag force on the vehicle is 400N. If the average fuel conversion is 13% then calculate the distance traveled by the vehicle. Mass of Vehicle = 903kg Volume of fuel tank= 43.5 litre Density of fuel= 775 kg/m^3...
2. Fuels and Engine efficiency Mechanical Engineering

Homework Statement Car (A) C180K WITH A 1.8 litre supercharged spark ignition, Maximum power output 104kw, based upon standard fuel efficiency test a vehicle with this engine would consume 6.1 liters over 100k journey Car (B) C220 CDI with a 2.0 litre turbocharged diesel engine. Maximum...
3. Boundary Thickness Questions

Calculate the thickness of the boundary Layer δ at a location x= 0.3m along the chord length of an aircraft wing at each of the following velocities. (u = 20, 40,60,80,100 knots) Assume ISA P=101325 R=287 T=288.5 μ =18 x 10-6 (1)Re transition=5 x 10^5 (2)δ Laminar = x 4.91 Rex^-0.5 (3)δ...
4. Reynolds number calculation for undergraduate

Calculate the Reynolds number at a location χ= 0.3m along the chord length of an aircraft wing at each of the following velocities;u= 20,40,60,80 and 100 knots. Assume International Standard Atmosphere (ISA) conditions for pressure and temperature. Take; R =287 J/KG;μ= 18 X10 -6 Kg/m s; 1 knot =...