An empty 60 litre petrol tank has a mass of 10kg. Its mas...
An empty 60 litre petrol tank has a mass of 10kg. Its mass when full of fuel of relative density 0.72 is
7.2kg
33.2kg
43.2kg
53.2kg
Correct answer is C
R.d = density of petroldensity of water
0.72 = density of petrol1000
Density of petrol =720kgm3
mass of petrol = 720 x 60 x 10-3
=43.2kg
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