The mass of fuel in an airplane must be determined before takeoff. If a 747 contains 155,211 L of fuel, what is the mass of the fuel in kilograms? Assume the density of the fuel to be 0.768 g/cm3.
Solution 111P :
Density of fuel = 0.768 g/cm3.
Volume of fuel = 155,211 L
Mass of fuel in Kg = ?
Mass of fuel is :
= Volume of fueldensity of fuel.
Here the volume of fuel is in L and density is in g/cm3. So,let’s convert the volume in L to cm3:
1 L = 1000 cm3
Therefore,155,211 L in cm3 is :
= 155211000 cm3.