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Is the Toyota Prius an Automatic Car?

Using the air drag force, estimate the maximum speed of a car. We use data for Toyota Prius 2004. The real hei?

  • Using the air drag force, estimate the maximum speed of a car. We use data for Toyota Prius 2004. The real height of the car is equal to 1.48 m and the width is equal to 1.72 m. These two will give you the size of the cross section area A. The value of the drag coefficient for Toyota Prius is given as CD = 0.26 (dimensionless). The density of air at 20 is equal to = 1.20 kg/m3. The maximum power of the Prius' combustion engine (only this engine is working at high speed) is 76 hp or 56.7 kW = 56700 W. (Hint: The relation of the maximum power Pmax and the maximum velocity Vmax is given by the following equation: W = F*s => P = W/t = F*(s/t) = F*v (for F = const.) Therefore, vmax =_____m/s? vmax =_____mph?

  • Answer:

    I had this question for physics too. Use this equation and just plug in the numbers. Pdrag = (1/2) ρACdv3 56700W = (1/2) (1.20 kg/m^3) (1.48m * 1.71m) (.26) v^3 v^3 = 56700W / [ (1/2) (1.20 kg/m^3) (1.48m * 1.71m) (.26) ] Hope this helps and you get it in time for your lab!

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I had this question for physics too. Use this equation and just plug in the numbers. Pdrag = (1/2) ρACdv3 56700W = (1/2) (1.20 kg/m^3) (1.48m * 1.71m) (.26) v^3 v^3 = 56700W / [ (1/2) (1.20 kg/m^3) (1.48m * 1.71m) (.26) ] Hope this helps and you get it in time for your lab!

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