The basic function of a carburetor of an automobile is to atomize the gasoline and mix it with air to promote rapid combustion. As an example, assume that 30 cm3 of gasoline is atomized into N spherical droplets, each with a radius of 2.0 × 10^?5 m. What is the total surface area of these N spherical droplets?
4.5 m2
Physics & Space Science
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Indicate whether the statement is true or false
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Indicate whether the statement is true or false
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What is true about Antares?
A: name means "Rival of Mars" B: ˜700 times the size of the Sun C: possibly egg-shaped D: cooler than the Sun E: all of the above
Physics & Space Science
RLC Circuits: A 120-V rms voltage at 1.0 kHz is applied to a 2.0-mH inductor, a 4.0-?F capacitor and a resistor. If the rms value of the current in this circuit is 0.40 A, what is the value of the resistor?
A. 300 ? B. 95 ? C. 420 ? D. 120 ? E. 240 ?
Physics & Space Science