posted by Hannah .
An aluminum bar weighs 17 pounds in air. How much force is required to lift the bar while it is immersed in gasoline? The weight of aluminum is 170 pounds/ft3 and that of gasoline is 42 pounds/ft3.
I know that the answer is 12.8 pounds but how do I get to that answer? Thanks<3
I want to know the answer too :( Ashton Irwin, help us!!!!!!