An empty 60 litre petrol tanks has mass of 10kg what will be it,s mass when full of fuel with relative density 0.72
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Explanation
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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