Asked by chibi
David builds a wood raft that weighs 100lbs (445 N). The bottom area of the raft is 4 meters and by 3 meters and the raft is 0.6 meters thick. When the raft is floats in water, what must the height of the water line be on the raft?
Answers
Answered by
Elena
Buoyant force=Weight
ρ•V₁•g = Weight
V₁=x•y•z₁
ρ•x•y•z₁•g = Weight
z₁=Weight/ ρ•x•y•g =
=445/1000•4•3•9.8=0.0038 m =3.8 mm
ρ•V₁•g = Weight
V₁=x•y•z₁
ρ•x•y•z₁•g = Weight
z₁=Weight/ ρ•x•y•g =
=445/1000•4•3•9.8=0.0038 m =3.8 mm
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