An empty chamber of petrol of volumne 50 lit has a mass 8kg. It is filled with petrol of relative density 0.7. what is the mass of the petrol filled chamber ?

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Solution

$F u e l d e n s i t y = 700 k g / m 3$
$v o l u m e = 0.004 \times 10 = 0.04 m 3$
$m a s s o f f u e l = 700 \times 0.04 = 28 k g$
mass when filled $= 8 + 28 = 36 k g$

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An empty chamber of petrol of volumne 50 lit has a mass 8kg. It is filled with petrol of relative density 0.7. what is the mass of the petrol filled chamber ?

Fuel density=700kg/m3volume=0.004×10=0.04m3mass of fuel=700×0.04=28kgmass when filled =8+28=36kg

$F u e l d e n s i t y = 700 k g / m 3$
$v o l u m e = 0.004 \times 10 = 0.04 m 3$
$m a s s o f f u e l = 700 \times 0.04 = 28 k g$
mass when filled $= 8 + 28 = 36 k g$