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An automobile with projected area 2.6 m2 is running on a road with speed of 120 km per hour. The mass density and the kinematic viscosity of air are 1.2 kg/m3 and 1.5 × 10–5 m2 / s, respectively. The drag coefficient is 0.30. The drag force on the automobile is
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- 620 N
- 600 N
- 580 N
- 520 N
- 620 N
Correct Option: D
FD = CD.A.ρ | ||
z |