The actual car will be running at V= 35 km/h at p-1 atm and T-0°C (the air density and viscosity are 1.292 kg/m3, and 1.338 x 105 m²/s, respectively). A one-fifth scale car model is being tested at the wind tunnel at 198.3 km/h at 1 atm and 20°C. (The air density and viscosity are 1.204 kg/m3, and 1.516 x 105 m²/s, respectively). The average drag force on the model is 50 N. What is the drag force on the prototype? F Note that dimensionless drag is Cp 1/2PV² A O 41.8 N O 50 N O 15.0 N O 44.2 N O 8.4 N O 38.9 N

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The actual car will be running at V= 35 km/h at p-1 atm and T=0°C (the air density and viscosity are
1.292 kg/m3, and 1.338 x 105 m2/s, respectively).
A one-fifth scale car model is being tested at the wind tunnel at 198.3 km/h at 1 atm and 20°C. (The
air density and viscosity are 1.204 kg/m³, and 1.516 x 10$ m²/s, respectively).
The average drag force on the model is 50 N. What is the drag force on the prototype?
Note that dimensionless drag is Cp
1/2pV² A
O 41.8 N
O 50 N
O 15.0 N
O 44.2 N
O 8.4 N
O 38.9 N
Transcribed Image Text:The actual car will be running at V= 35 km/h at p-1 atm and T=0°C (the air density and viscosity are 1.292 kg/m3, and 1.338 x 105 m2/s, respectively). A one-fifth scale car model is being tested at the wind tunnel at 198.3 km/h at 1 atm and 20°C. (The air density and viscosity are 1.204 kg/m³, and 1.516 x 10$ m²/s, respectively). The average drag force on the model is 50 N. What is the drag force on the prototype? Note that dimensionless drag is Cp 1/2pV² A O 41.8 N O 50 N O 15.0 N O 44.2 N O 8.4 N O 38.9 N
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