The mass of an empty 40 litre petrol tank of vehical is 8kg.What will be its mass when filled completly with a fuel of density 700kg/m cube..
Mass of the empty tank = 8 kg
Capacity or volume of tank = 40 litre = 0.04 m3
Because 1L = 0.001 m3
Now, when a liquid of density 700 kg/m3 is filled in the tank then mass of the tank becomes
= mass of empty tank + mass of liquid in the tank
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