A raft 7m by 6m and 4000kg, is built to carry 4 cars each weighing 1600kg. The raft is kept buoyant by 70 plastic barrels 0.975m high and 0.3m radius and a weight of 15kg empty. The barrels are filled with a rigid foam with a density of 40kg/m³. The rafted is used in sea water with a density of 1029kg/m³. Calculate the percentage displacement of the barrels when the raft is empty and when it has all four cars aboard.
A raft 7m by 6m and 4000kg, is built to carry 4 cars each weighing 1600kg. The raft is kept buoyant by 70 plastic barrels 0.975m high and 0.3m radius and a weight of 15kg empty. The barrels are filled with a rigid foam with a density of 40kg/m³. The rafted is used in sea water with a density of 1029kg/m³. Calculate the percentage displacement of the barrels when the raft is empty and when it has all four cars aboard.
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A raft 7m by 6m and 4000kg, is built to carry 4 cars each weighing 1600kg. The
raft is kept buoyant by 70 plastic barrels 0.975m high and 0.3m radius and a
weight of 15kg empty. The barrels are filled with a rigid foam with a density of
40kg/m³. The rafted is used in sea water with a density of 1029kg/m³.
Calculate the percentage displacement of the barrels when the raft is empty
and when it has all four cars aboard.
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