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airabelle

  • one year ago

make an order of magnitude estimate of the power a car engine contributes to speeding the car up to highway speed. In your solution, state the physical quantities you take as data and the values you measure or estimate for them. The mass of the vehicle is often given in the owner's manual

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  1. Shadowys
    • one year ago
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    P=W/t= F v i'm guessing the horse power of the engine is given somewhere.

  2. airabelle
    • one year ago
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    10^4 W is the final answer. What is the solution?

  3. Shadowys
    • one year ago
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    what is the highway speed in your country?

  4. airabelle
    • one year ago
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    60 km/h as its minimum and 100 km/h is maximum

  5. Shadowys
    • one year ago
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    right. and the horsepower of any one car? plug that 100km/h into v and the horsepower into F to get 10^4 W

  6. airabelle
    • one year ago
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    can you show the solution?

  7. Shadowys
    • one year ago
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    P=Fv 10^4=(HORSEpower)(100) (this question seemed a lil' incomplete though)

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